{
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  "isLive": false,
  "retrievalStartedAt": "2026-09-20T20:53:35+00:00",
  "retrievalFinishedAt": "2026-09-20T20:53:42+00:00",
  "source": "https://gamma-api.polymarket.com/markets",
  "population": "1000 open markets with the highest 24-hour volume at retrieval",
  "marketsRead": 1000,
  "groups": [
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      "takerOnly": true,
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      "exampleSlug": "fl1-olm-psg-2026-09-20-psg",
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      "charge": "no fee: rate 0",
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      "exampleSlug": "nfl-gb-nyj-2026-09-20",
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      "feesEnabled": true,
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      "takerOnly": true,
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      "exampleSlug": "will-hakeem-jeffries-win-the-2028-democratic-presidential-nomination",
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      "exampleSlug": "will-united-russia-er-gain-the-most-seats-in-the-next-russian-parliamentary-election",
      "listedFrom": "2025-07-06",
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      "feeType": "crypto_fees_v2",
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      "exampleSlug": "will-bitcoin-dip-to-64k-september-14-20-2026",
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      "listedTo": "2026-07-02"
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      "exampleSlug": "highest-temperature-in-chicago-on-september-20-2026-66-67f",
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      "listedTo": "2026-09-19"
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      "takerOnly": true,
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      "charge": "taker rate 0.05",
      "markets": 42,
      "exampleSlug": "elon-musk-of-tweets-september-19-september-21-2026-0-39",
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      "charge": "taker rate 0.04",
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      "exampleSlug": "will-crude-oil-reach-a-new-all-time-high-by-september-30",
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      "listedTo": "2026-09-18"
    },
    {
      "feesEnabled": true,
      "feeType": "tech_fees",
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      "exampleSlug": "will-the-next-claude-opus-model-be-released-by-september-30-2026",
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      "takerOnly": true,
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      "charge": "taker rate 0.05",
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      "exampleSlug": "will-the-fed-decrease-interest-rates-by-50-bps-after-the-october-2026-meeting-20260617190324029",
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      "listedTo": "2026-09-16"
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    {
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      "exampleSlug": "will-jesus-christ-return-before-2027",
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      "listedTo": "2025-11-25"
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    "taker rate 0.04": 179,
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    "taker rate 0.07": 109,
    "taker rate 0.03": 65
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  "limitations": "One pass over a ranking that moves while it is read. Fields are reported by the API, not confirmed against executed trades. Markets outside the ranking are not described. Settings can change after retrieval."
}