{
  "_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-03C1PRYVN4",
  "slug": "kxcawealthtax-26",
  "question": "Will the California billionaire wealth tax pass?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "california-politics",
    "wealth-tax",
    "ballot-initiative",
    "2027-election",
    "tax-policy"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "This market tracks whether California voters will approve a one-time billionaire wealth tax ballot initiative in the November 2026 general election. Only Kalshi lists this event, pricing a binary pass/fail outcome. Resolution follows Kalshi staff determination against California's certified official election results. The authoritative source is California's official election results as certified by the state.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-661NL0BRJ0",
  "current_primary_mark": {
    "last_price": 0.33,
    "implied_probability": 0.33,
    "as_of": "2026-08-29T01:01:11.017Z"
  },
  "created_at": "2026-08-04T20:03:51.865287+00:00",
  "updated_at": "2026-08-04T20:03:51.865287+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-661NL0BRJ0",
      "event_id": "CM-EVT-03C1PRYVN4",
      "platform": "kalshi",
      "platform_market_id": "KXCAWEALTHTAX-26",
      "question": "Will a one-time tax on billionaires ballot initiative in California pass?",
      "description": "In 2026",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "California's official election results for the 2026 general election on November 3, 2026, as certified by the California Secretary of State.",
      "close_at": "2027-11-03T04:59:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a one-time tax on billionaires ballot initiative in California passes, then the market resolves to Yes.\n\nThis market may resolve early once a consensus of designated media sources has declared a winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "The Wall Street Journal",
        "source_status": "platform_named",
        "source_citation": "https://www.wsj.com/",
        "sources": [
          {
            "name": "The Wall Street Journal",
            "url": "https://www.wsj.com/",
            "provenance": "platform_api"
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          {
            "name": "CBS News",
            "url": "https://www.cbsnews.com/",
            "provenance": "platform_api"
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          {
            "name": "CNN International",
            "url": "https://kalshi.com/",
            "provenance": "platform_api"
          },
          {
            "name": "official electoral commission or equivalent authority of geography",
            "url": "https://kalshi.com/",
            "provenance": "platform_api"
          },
          {
            "name": "the Associated Press",
            "url": "https://apnews.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Reuters",
            "url": "https://www.reuters.com",
            "provenance": "platform_api"
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          {
            "name": "The New York Times",
            "url": "https://www.nytimes.com/",
            "provenance": "platform_api"
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          {
            "name": "The Washington Post",
            "url": "https://www.washingtonpost.com/",
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          {
            "name": "Axios",
            "url": "https://www.axios.com/",
            "provenance": "platform_api"
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          {
            "name": "in hierarchical order",
            "url": "https://kalshi.com/",
            "provenance": "platform_api"
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          {
            "name": "Fox News",
            "url": "https://www.foxnews.com",
            "provenance": "platform_api"
          },
          {
            "name": "BBC News",
            "url": "https://www.bbc.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Politico",
            "url": "https://www.politico.com",
            "provenance": "platform_api"
          },
          {
            "name": "MSNBC",
            "url": "https://www.msnbc.com",
            "provenance": "platform_api"
          },
          {
            "name": "NBC News",
            "url": "https://www.nbcnews.com/",
            "provenance": "platform_api"
          },
          {
            "name": "ABC News",
            "url": "https://abcnews.go.com/",
            "provenance": "platform_api"
          },
          {
            "name": "official government website of geography",
            "url": "https://kalshi.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Bloomberg News",
            "url": "https://www.bloomberg.com/news",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "official electoral commission or equivalent authority of geography",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 91,
        "caps": [],
        "applied_factors": 7
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      "last_price": 0.33,
      "implied_probability": 0.33,
      "price_as_of": "2026-08-29T01:01:11.017Z",
      "volume_24h_usd": 761.2968000000001,
      "volume_total_usd": 265553.65650000004,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "ballot",
        "billionaire",
        "california",
        "california billionaire wealth",
        "wealth tax"
      ],
      "eligibility_screens": [
        {
          "regime": "ciro-26-0076",
          "screen_version": "v1",
          "status": "not_eligible",
          "reasons": [
            "category_not_permitted"
          ],
          "permitted_category": null,
          "screened_at": "2026-08-12"
        }
      ]
    }
  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-03C1PRYVN4",
    "terms": "Attribution required. clearmarket.fyi"
  }
}