{
  "_notice": {
    "type": "free_key_offer",
    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
  },
  "event_id": "CM-EVT-FJDXPZVX71",
  "slug": "which-company-has-best-ai-model-end-of-june",
  "question": "Which company will have the best AI model by the end of June?",
  "category": "technology",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "technology",
    "ai-model-comparison",
    "tech",
    "openai",
    "2026",
    "ai-benchmarks"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track which company holds the top-ranked model on the Chatbot Arena LLM Leaderboard at lmarena.ai on June 30, 2026. All 19 markets are structured identically as mutually exclusive binary outcomes on Polymarket, each isolating a single provider. The leaderboard ranking, published by lmarena.ai, is the sole authoritative source; no cross-platform structural difference exists here. Polymarket's UMA Optimistic Oracle governs resolution for all legs.",
  "venues_covered": [
    "polymarket"
  ],
  "primary_market_id": "CM-MKT-RG7YQMN2C7",
  "current_primary_mark": {
    "last_price": 0,
    "implied_probability": 0
  },
  "created_at": "2026-07-06T00:30:45.836226+00:00",
  "updated_at": "2026-07-06T00:30:45.836226+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-D89DL2QY79",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0x0bd1b836a2494f80aaee62927cf01e5f6fceb19114e96fc517c6440aea4576e4",
      "question": "Will Google have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "Google: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://lmarena.ai/",
        "sources": [
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/",
            "provenance": "platform_api"
          },
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/leaderboard/text",
            "provenance": "platform_api"
          },
          {
            "name": "Chatbot Arena LLM Leaderboard",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/leaderboard/text",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "Chatbot Arena LLM Leaderboard",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 81,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0,
      "implied_probability": 0,
      "volume_24h_usd": 17504.309812,
      "volume_total_usd": 1145280.1731980015,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": "CMX-16DE841FE8",
      "also_on": null,
      "tags": [
        "which company has"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-PG8D597GY9",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0x734c6c32a62f8a27035a222e45fc388d59eeffe89bb31ab26054bc29bcc3eee7",
      "question": "Will OpenAI have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "OpenAI: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://lmarena.ai/",
        "sources": [
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            "url": "https://lmarena.ai/",
            "provenance": "platform_api"
          },
          {
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            "url": "https://lmarena.ai/leaderboard/text",
            "provenance": "platform_api"
          },
          {
            "name": "Chatbot Arena LLM Leaderboard",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
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            "url": null,
            "provenance": "clearmarket_editorial"
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        "source_of_record": "Chatbot Arena LLM Leaderboard",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 81,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0,
      "implied_probability": 0,
      "volume_24h_usd": 18845.191523,
      "volume_total_usd": 996599.4497419936,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": "CMX-AFE35FF161",
      "also_on": null,
      "tags": [
        "which company has"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-TZWMXY83C0",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0x9812b1740a7dc0ec0318f66577bd40305576ad43cfcd732399dc02a328035ef2",
      "question": "Will Z.ai have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "Z.ai: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://lmarena.ai/",
        "sources": [
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/",
            "provenance": "platform_api"
          },
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/leaderboard/text",
            "provenance": "platform_api"
          },
          {
            "name": "Chatbot Arena LLM Leaderboard",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/leaderboard/text",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "Chatbot Arena LLM Leaderboard",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 81,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0,
      "implied_probability": 0,
      "volume_24h_usd": 25861.4283,
      "volume_total_usd": 800635.6417570141,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": "CMX-A9FF397B5D",
      "also_on": null,
      "tags": [
        "which company has"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-GGY4LCFGK4",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0x241ac01c5cdac5f72014a8039b6678faa26f2f93577e6aaf629600f0b5770a1d",
      "question": "Will DeepSeek have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "DeepSeek: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://lmarena.ai/",
        "sources": [
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/",
            "provenance": "platform_api"
          },
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/leaderboard/text",
            "provenance": "platform_api"
          },
          {
            "name": "Chatbot Arena LLM Leaderboard",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/leaderboard/text",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "Chatbot Arena LLM Leaderboard",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 81,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0,
      "implied_probability": 0,
      "volume_24h_usd": 1187.18,
      "volume_total_usd": 990038.233509005,
      "settlement_style": "touch",
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      "threshold": null,
      "question_id": "CMX-8C9C90C849",
      "also_on": null,
      "tags": [
        "which company has"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-WNFVFK1P53",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0xb5bc0c62cc121183fab3645197b346b474396f52cd67622ca1010a541b955411",
      "question": "Will Mistral have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "Mistral: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://lmarena.ai/",
        "sources": [
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/",
            "provenance": "platform_api"
          },
          {
            "name": "lmarena.ai",
            "url": "https://lmarena.ai/leaderboard/text",
            "provenance": "platform_api"
          },
          {
            "name": "Chatbot Arena LLM Leaderboard",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://lmarena.ai/leaderboard/text",
            "url": null,
            "provenance": "clearmarket_editorial"
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        ],
        "source_of_record": "Chatbot Arena LLM Leaderboard",
        "source_mechanism": "single_authority",
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        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 81,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0,
      "implied_probability": 0,
      "volume_24h_usd": null,
      "volume_total_usd": 805171.622831006,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": "CMX-FDF296B8FC",
      "also_on": null,
      "tags": [
        "which company has"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-NZZVW8HV79",
      "event_id": "CM-EVT-FJDXPZVX71",
      "platform": "polymarket",
      "platform_market_id": "0xce4213079b24e02ee44c724e7042ab66fc77f01fce82bfb1b20c2524250d12ef",
      "question": "Will Microsoft have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "Microsoft: The model ranked highest on the Chatbot Arena LLM Leaderboard Rank section at lmarena.ai on June 30, 2026, 12:00 PM ET determines the owning company.",
      "close_at": "2026-06-30T00:00:00Z",
      "resolve_at": "2026-06-30T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
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      "also_on": null,
      "tags": [
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    {
      "market_id": "CM-MKT-R98XY4CWB9",
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      "platform_market_id": "0x04f08e68b89ee5f76aeec75b403bf9687ca6d2c4040e737516b9debb7cbb486b",
      "question": "Will Amazon have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
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      "close_at": "2026-06-30T00:00:00Z",
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        "arbitration_model": "uma_oracle",
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    {
      "market_id": "CM-MKT-MB5PLL02R6",
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      "platform": "polymarket",
      "platform_market_id": "0x0dc7faa4b5ee79d083532267b6bebe2e701c1801506e299193a667d710490580",
      "question": "Will ByteDance have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
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      "close_at": "2026-06-30T00:00:00Z",
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        "arbitration_model": "uma_oracle",
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    {
      "market_id": "CM-MKT-WS4SHKFNS8",
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      "question": "Will Company G have the best AI model at the end of June 2026?",
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      "contract_type": "binary",
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        "arbitration_model": "uma_oracle",
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      "tags": [
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    {
      "market_id": "CM-MKT-X1PTKDD6T7",
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      "question": "Will any other company have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
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        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
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        "sources": [
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      "tags": [
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    {
      "market_id": "CM-MKT-JQCS4SQ6J5",
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      "question": "Will Anthropic have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
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        "rules_raw": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.\n\nThe resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.",
        "arbitration_model": "uma_oracle",
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        "source_status": "platform_named",
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        "sources": [
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          {
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      "tags": [
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    {
      "market_id": "CM-MKT-D31J507VT5",
      "event_id": "CM-EVT-FJDXPZVX71",
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      "platform_market_id": "0x89102f28df8a119d84259cfdd0f2f7f9a758cfdf749554e153c6bf154afbe717",
      "question": "Will Alibaba have the best AI model at the end of June 2026?",
      "description": "This market will resolve according to the company which owns the model which has the highest arena rank based off the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the \"Leaderboard\" tab is checked on June 30, 2026, 12:00 PM ET.\n\nResults from the \"Rank\" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.\n\nModels will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any u",
      "contract_type": "binary",
      "settlement_currency": "USDC",
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      "question": "Will Moonshot have the best AI model at the end of June 2026?",
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      "question": "Will Meta have the best AI model at the end of June 2026?",
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        "arbitration_model": "uma_oracle",
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    {
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      "question": "Will Baidu have the best AI model at the end of June 2026?",
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        "arbitration_model": "uma_oracle",
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    {
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