{
  "_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-MYD49CY8L9",
  "slug": "billionaire-one-time-wealth-tax-on-california-ballot",
  "question": "Will a billionaire one-time wealth tax appear on a California ballot?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "elections",
    "politics",
    "california",
    "wealth-tax",
    "ballot-measure",
    "2026"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "This market tracks whether a billionaire one-time wealth tax initiative qualifies for California's November 2026 statewide ballot. Qualification is confirmed by the California Secretary of State certifying the initiative by June 2026. Resolution relies on Polymarket's UMA Optimistic Oracle referencing that certification. Only one platform structures this event, so no cross-platform contrast applies.",
  "venues_covered": [
    "polymarket"
  ],
  "primary_market_id": "CM-MKT-VGY4PS3NR4",
  "current_primary_mark": {
    "last_price": 1,
    "implied_probability": 1
  },
  "created_at": "2026-06-03T14:52:43.794845+00:00",
  "updated_at": "2026-06-03T14:52:43.794845+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-VGY4PS3NR4",
      "event_id": "CM-EVT-MYD49CY8L9",
      "platform": "polymarket",
      "platform_market_id": "0x04f1a10e79a106d18dc45e6087f0757456197ec5c6ffec2506cd066e8215fc62",
      "question": "Billionaire one-time wealth tax on California ballot?",
      "description": "This market will resolve to \"Yes\" if a ballot initiative is certified to appear on the official statewide California ballot for the November 3, 2026 election, that proposes a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent), by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved). Otherwise, this market will resolve to \"No\".\n\nCertification means the initiative is officially approved by the California Secretary of State for a statewide ballot.\n\nThe primary resolution s",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "California Secretary of State certifies ballot initiative qualification for the November 2026 statewide election by June 25, 2026.",
      "close_at": "2026-06-25T00:00:00Z",
      "resolve_at": "2026-06-25T00:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve to \"Yes\" if a ballot initiative is certified to appear on the official statewide California ballot for the November 3, 2026 election, that proposes a one-time tax targeting individuals, households, or family units with wealth, assets, or net worth of at least $1 billion (USD or equivalent), by June 25, 2026, 11:59 PM ET (the official cutoff date for new initiatives to be approved). Otherwise, this market will resolve to \"No\".\n\nCertification means the initiative is officially approved by the California Secretary of State for a statewide ballot.\n\nThe primary resolution source will be official information from the government of California. If unavailable, a consensus of credible reporting may be used. ",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": "California Secretary Of State (consensus fallback)",
        "source_status": "platform_named",
        "source_citation": null,
        "sources": null,
        "source_of_record": null,
        "source_mechanism": null,
        "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": 7
      },
      "last_price": 1,
      "implied_probability": 1,
      "volume_24h_usd": 150.313332,
      "volume_total_usd": 131508.78800899623,
      "settlement_style": "occurrence",
      "direction": "occurrence",
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "ballot",
        "billionaire",
        "california",
        "california billionaire wealth",
        "wealth tax"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [
    {
      "market_id": "CM-MKT-VGY4PS3NR4",
      "platform": "polymarket",
      "outcome": "YES",
      "resolved_at": "2026-06-25T00:00:00Z",
      "final_price": 1,
      "recorded_at": "2026-07-06",
      "source": "platform_api",
      "source_ref": null
    }
  ],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-MYD49CY8L9",
    "terms": "Attribution required. clearmarket.fyi"
  }
}