{
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    "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-DRJPHTKV27",
  "slug": "how-many-of-these-sanders-endorsees-will-win-their-august-4-primaries-michigan-and-missouri-20260728015313605",
  "question": "How many of these Sanders endorsees will win their August 4 primaries in Michigan and Missouri?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "2026-elections",
    "primary-elections",
    "sanders-endorsements",
    "michigan-missouri"
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  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "This event tracks how many Bernie Sanders-endorsed candidates win their respective August 4, 2026 primary elections in Michigan and Missouri. Polymarket structures this as five mutually exclusive binary markets, each pricing a discrete count outcome from zero to four. Together they form a full probability distribution over Sanders endorsement conversion rate. Resolution is determined by Polymarket's UMA Optimistic Oracle against certified primary results.",
  "venues_covered": [
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  "primary_market_id": "CM-MKT-LVPC6ZMRC5",
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    "implied_probability": 0.976
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  "created_at": "2026-08-04T20:03:51.865287+00:00",
  "updated_at": "2026-08-04T20:03:51.865287+00:00",
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      "question": "Will 0 Sanders endorsees win August 4 primaries?",
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      "contract_type": "binary",
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      "close_at": "2026-08-04T23:59:00Z",
      "resolve_at": "2026-08-04T23:59:00Z",
      "status": "open",
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        "rules_raw": "Bernie Sanders has endorsed Abdul El-Sayed, Cori Bush, William Lawrence, and Donavan McKinney in contested Senate and Congressional primary races that are scheduled to be held on August 4, 2026. \n\nThis market will resolve according to the number of candidates, among those listed below, who win their primaries, inclusive of any runoff elections. For purposes of this market, a candidate will still be considered to have won the primary if no primary election is held and the candidate receives the relevant party nomination. \n\nThis market will only consider the four candidates listed below. No subsequent endorsement, unendorsement, or withdrawal from a race will be relevant. \n\nThe candidates and races are: \n\nAbdul El-Sayed in the Michigan Democratic Senate Primary; Cori Bush in the MO-01 Democratic House Primary; William Lawrence in the MI-07 Democratic House Primary; and Donavan McKinney in the MI-13 Democratic House Primary.\n\nIf, for any listed race, no nominee has been formally determined by November 2, 2026, 11:59 PM ET, the listed candidate in that race will be deemed not to have won.\n\nThe resolution source for this market will be a compilation of the relevant state election authorities responsible for reporting the results of these primary elections; however, a consensus of credible reporting may also be used.\n",
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      "settlement_style": "terminal",
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      "question": "Will 1 Sanders endorsees win August 4 primaries?",
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      "close_at": "2026-08-04T23:59:00Z",
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      "question": "Will 2 Sanders endorsees win August 4 primaries?",
      "description": "Bernie Sanders has endorsed Abdul El-Sayed, Cori Bush, William Lawrence, and Donavan McKinney in contested Senate and Congressional primary races that are scheduled to be held on August 4, 2026. \n\nThis market will resolve according to the number of candidates, among those listed below, who win their primaries, inclusive of any runoff elections. For purposes of this market, a candidate will still be considered to have won the primary if no primary election is held and the candidate receives the relevant party nomination. \n\nThis market will only consider the four candidates listed below. No subs",
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      "close_at": "2026-08-04T23:59:00Z",
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      "question": "Will 3 Sanders endorsees win August 4 primaries?",
      "description": "Bernie Sanders has endorsed Abdul El-Sayed, Cori Bush, William Lawrence, and Donavan McKinney in contested Senate and Congressional primary races that are scheduled to be held on August 4, 2026. \n\nThis market will resolve according to the number of candidates, among those listed below, who win their primaries, inclusive of any runoff elections. For purposes of this market, a candidate will still be considered to have won the primary if no primary election is held and the candidate receives the relevant party nomination. \n\nThis market will only consider the four candidates listed below. No subs",
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      "question": "Will 4 Sanders endorsees win August 4 primaries?",
      "description": "Bernie Sanders has endorsed Abdul El-Sayed, Cori Bush, William Lawrence, and Donavan McKinney in contested Senate and Congressional primary races that are scheduled to be held on August 4, 2026. \n\nThis market will resolve according to the number of candidates, among those listed below, who win their primaries, inclusive of any runoff elections. For purposes of this market, a candidate will still be considered to have won the primary if no primary election is held and the candidate receives the relevant party nomination. \n\nThis market will only consider the four candidates listed below. No subs",
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        "rules_raw": "Bernie Sanders has endorsed Abdul El-Sayed, Cori Bush, William Lawrence, and Donavan McKinney in contested Senate and Congressional primary races that are scheduled to be held on August 4, 2026. \n\nThis market will resolve according to the number of candidates, among those listed below, who win their primaries, inclusive of any runoff elections. For purposes of this market, a candidate will still be considered to have won the primary if no primary election is held and the candidate receives the relevant party nomination. \n\nThis market will only consider the four candidates listed below. No subsequent endorsement, unendorsement, or withdrawal from a race will be relevant. \n\nThe candidates and races are: \n\nAbdul El-Sayed in the Michigan Democratic Senate Primary; Cori Bush in the MO-01 Democratic House Primary; William Lawrence in the MI-07 Democratic House Primary; and Donavan McKinney in the MI-13 Democratic House Primary.\n\nIf, for any listed race, no nominee has been formally determined by November 2, 2026, 11:59 PM ET, the listed candidate in that race will be deemed not to have won.\n\nThe resolution source for this market will be a compilation of the relevant state election authorities responsible for reporting the results of these primary elections; however, a consensus of credible reporting may also be used.\n",
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