{
  "_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-5VSXNFCXN5",
  "slug": "kxchicagomayor-27",
  "question": "Chicago Mayor winner?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "chicago-politics",
    "mayoral-election",
    "2028-election",
    "us-local-politics",
    "incumbent-challenge"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the outcome of the 2027 Chicago mayoral election. Kalshi structures the event as nine separate binary contracts, one per named candidate. Each resolves via Kalshi staff determination against Cook County Clerk or Board of Elections certified results by February 23, 2027. A candidate winning a runoff rather than the primary could affect resolution timing relative to that deadline.",
  "venues_covered": [
    "kalshi"
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  "primary_market_id": "CM-MKT-8W27LH69M1",
  "current_primary_mark": {
    "last_price": 0.2,
    "implied_probability": 0.2
  },
  "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-54ZGHK7MW8",
      "event_id": "CM-EVT-5VSXNFCXN5",
      "platform": "kalshi",
      "platform_market_id": "KXCHICAGOMAYOR-27-AGIA",
      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Alexi Giannoulias",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Alexi Giannoulias: Cook County Clerk or Board of Elections official results, certified by deadline of February 23, 2027, resolve which named candidate wins the mayoral election.",
      "close_at": "2028-02-23T15:00:00Z",
      "resolve_at": "2027-02-23T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Alexi Giannoulias wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
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        "proposer": "platform_staff",
        "source": "relevant county clerk or board of elections",
        "source_status": "platform_named",
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          {
            "name": "Attorney General of the United States",
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            "provenance": "platform_api"
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          {
            "name": "relevant city/municipal clerk",
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          {
            "name": "in hierarchical order: the relevant state Secretary of State or chief election officer",
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          {
            "name": "the Federal Election Commission",
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          {
            "name": "state board of elections or canvassing board",
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          {
            "name": "The Source Agencies are",
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        "source_of_record": "relevant county clerk or board of elections",
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        "source_quality": "authoritative",
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      "rcg": {
        "grade": "A",
        "score": 91,
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      "last_price": 0.53,
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      "volume_24h_usd": 196.0417,
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      "settlement_style": "occurrence",
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      "threshold": null,
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      "also_on": null,
      "tags": [
        "2027",
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        {
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    {
      "market_id": "CM-MKT-FT715DMLS4",
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      "platform": "kalshi",
      "platform_market_id": "KXCHICAGOMAYOR-27-MPAP",
      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Maria Pappas",
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        "rules_raw": "If Maria Pappas wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
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        "source": "relevant county clerk or board of elections",
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            "name": "Attorney General of the United States",
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            "name": "in hierarchical order: the relevant state Secretary of State or chief election officer",
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          {
            "name": "the Federal Election Commission",
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            "name": "state board of elections or canvassing board",
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    {
      "market_id": "CM-MKT-4JBK285J86",
      "event_id": "CM-EVT-5VSXNFCXN5",
      "platform": "kalshi",
      "platform_market_id": "KXCHICAGOMAYOR-27-REMA",
      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Rahm Emanuel",
      "contract_type": "binary",
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      "underlying_reference": "Rahm Emanuel: Cook County Clerk or Board of Elections official results, certified by deadline of February 23, 2027, resolve which named candidate wins the mayoral election.",
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      "resolve_at": "2027-02-23T15:00:00Z",
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        "rules_raw": "If Rahm Emanuel wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
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        "proposer": "platform_staff",
        "source": "relevant county clerk or board of elections",
        "source_status": "platform_named",
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      "rcg": {
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      "last_price": 0.016,
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      "volume_24h_usd": 0,
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      "settlement_style": "occurrence",
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      "tags": [
        "2027",
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        "mayor",
        "rahm emanuel"
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      "eligibility_screens": [
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    },
    {
      "market_id": "CM-MKT-5D2XBR4WW8",
      "event_id": "CM-EVT-5VSXNFCXN5",
      "platform": "kalshi",
      "platform_market_id": "KXCHICAGOMAYOR-27-PVAL",
      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Paul Vallas",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Paul Vallas: Cook County Clerk or Board of Elections official results, certified by deadline of February 23, 2027, resolve which named candidate wins the mayoral election.",
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      "resolve_at": "2027-02-23T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Paul Vallas wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "relevant county clerk or board of elections",
        "source_status": "platform_named",
        "source_citation": "https://kalshi.com/",
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            "name": "relevant county clerk or board of elections",
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          {
            "name": "Attorney General of the United States",
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          {
            "name": "relevant city/municipal clerk",
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            "name": "in hierarchical order: the relevant state Secretary of State or chief election officer",
            "url": "https://kalshi.com/",
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      "platform_market_id": "KXCHICAGOMAYOR-27-BJOH",
      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Brandon Johnson",
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      "underlying_reference": "Brandon Johnson: Cook County Clerk or Board of Elections official results, certified by deadline of February 23, 2027, resolve which named candidate wins the mayoral election.",
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        "rules_raw": "If Brandon Johnson wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
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        "source": "relevant county clerk or board of elections",
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      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Kam Buckner",
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        "rules_raw": "If Kam Buckner wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
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        "source": "relevant county clerk or board of elections",
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      "question": "Who will win 2027 Chicago mayoral election?",
      "description": "Joe Holberg",
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      "resolve_at": "2027-02-23T15:00:00Z",
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        "rules_raw": "If Joe Holberg wins the 2027 Chicago mayoral election, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "relevant county clerk or board of elections",
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