{
  "_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."
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  "event_id": "CM-EVT-61GVK45R17",
  "slug": "il-10-house-election-winner",
  "question": "Will a candidate win the Illinois 10th District House election by 2026?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "elections",
    "house-elections",
    "illinois-politics",
    "2026-midterms",
    "us-house"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the winner of the Illinois 10th Congressional District House election, resolving November 3, 2026. Polymarket structures the event across two layers: party-level outcome markets and individual candidate markets. All eight markets resolve via Polymarket's UMA Optimistic Oracle, with the Federal Election Commission as the authoritative source for winner determination.",
  "venues_covered": [
    "polymarket"
  ],
  "primary_market_id": "CM-MKT-M5B617SVV4",
  "current_primary_mark": {
    "last_price": 0.94,
    "implied_probability": 0.94
  },
  "created_at": "2026-07-06T00:30:45.836226+00:00",
  "updated_at": "2026-07-06T00:30:45.836226+00:00",
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      "market_id": "CM-MKT-H4GX7HGQ21",
      "event_id": "CM-EVT-61GVK45R17",
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      "platform_market_id": "0x1939323f9364bef7130a208df1f67b958417c88e574bb8e4ed5a8206cc9f5cd5",
      "question": "Will the Republican Party win the IL-10 House seat?",
      "description": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these p",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "Republican Party: The Federal Election Commission will determine the party affiliation of the winner of the referenced House seat in the 2026 midterm elections on November 4, 2026.",
      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
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        "source_citation": "https://www.fec.gov/",
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            "name": "fec.gov",
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          {
            "name": "Federal Election Commission",
            "url": null,
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        "source_of_record": "Federal Election Commission",
        "source_mechanism": "precedence",
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        "source_quality": null,
        "source_commitment": "named",
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      "rcg": {
        "grade": "B",
        "score": 68,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.028,
      "implied_probability": 0.028,
      "volume_24h_usd": 0,
      "volume_total_usd": 10648.35522,
      "settlement_style": "occurrence",
      "direction": "occurrence",
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
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        "house",
        "il-10",
        "republican",
        "republican party"
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      "eligibility_screens": null
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      "question": "Will another party win the IL-10 House seat?",
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      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
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        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
        "arbitration_model": "uma_oracle",
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        "grade": "B",
        "score": 68,
        "caps": [],
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      "platform_market_id": "0x27b1e5d6eb267246d6ea281d0c575dab902687091b21853d378956dc0b320456",
      "question": "Will B win the IL-10 House seat?",
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      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
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      "rcg": {
        "grade": "B",
        "score": 68,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0,
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      "volume_total_usd": 0,
      "settlement_style": "occurrence",
      "direction": "occurrence",
      "threshold": null,
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      "tags": [
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        "house",
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    {
      "market_id": "CM-MKT-72SCG0B1P0",
      "event_id": "CM-EVT-61GVK45R17",
      "platform": "polymarket",
      "platform_market_id": "0x6462b276212dd8153ab877554624dcaed3aaeb04297f4c04a2870fc6991740f3",
      "question": "Will D win the IL-10 House seat?",
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      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
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      "rcg": {
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        "caps": [],
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      "market_id": "CM-MKT-2L68L5NQR2",
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      "question": "Will E win the IL-10 House seat?",
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      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
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      "tags": [
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    {
      "market_id": "CM-MKT-SN3J6BRBX0",
      "event_id": "CM-EVT-61GVK45R17",
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      "platform_market_id": "0x1e2a9e104f0e7ba96ac45c275713a6189d9f12b2b219e625b9ba02d768a64504",
      "question": "Will C win the IL-10 House seat?",
      "description": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these p",
      "contract_type": "binary",
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      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
        "arbitration_model": "uma_oracle",
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      "settlement_style": "occurrence",
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      "tags": [
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    {
      "market_id": "CM-MKT-BKHMY5NKS6",
      "event_id": "CM-EVT-61GVK45R17",
      "platform": "polymarket",
      "platform_market_id": "0x026a8bf8aac4a7cb880977c6133bf7108d4192f6fbb84a42f23fe817c6fd8f3d",
      "question": "Will A win the IL-10 House seat?",
      "description": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these p",
      "contract_type": "binary",
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      "underlying_reference": "A: The Federal Election Commission will determine the party affiliation of the winner of the referenced House seat in the 2026 midterm elections on November 4, 2026.",
      "close_at": "2026-11-03T00:00:00Z",
      "resolve_at": "2026-11-03T00:00:00Z",
      "status": "closed",
      "resolution": {
        "rules_raw": "This market will resolve according to the party of the candidate who wins the IL-10 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026.\n\n​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.\n\nThis market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).",
        "arbitration_model": "uma_oracle",
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