{
 "name": "Volume Race: latest prediction market volume",
 "url": "https://volumerace.com/",
 "through": "2026-10-06",
 "generated": "2026-10-15T11:53:55Z",
 "unit": "USD notional: contracts traded × $1 payout",
 "day": {
  "date": "2026-10-06",
  "total": 2799527447,
  "exchanges": [
   {
    "id": "kalshi",
    "name": "Kalshi",
    "volume": 2179856584,
    "share": 0.7787
   },
   {
    "id": "polymarket-us",
    "name": "Polymarket US",
    "volume": 319576924,
    "share": 0.1142
   },
   {
    "id": "polymarket",
    "name": "Polymarket",
    "volume": 138537344,
    "share": 0.0495
   },
   {
    "id": "novig",
    "name": "Novig",
    "volume": 55398415,
    "share": 0.0198
   },
   {
    "id": "cdna",
    "name": "Crypto.com",
    "volume": 37835508,
    "share": 0.0135
   },
   {
    "id": "rothera",
    "name": "Robinhood",
    "volume": 34457996,
    "share": 0.0123
   },
   {
    "id": "udx",
    "name": "Underdog",
    "volume": 32245932,
    "share": 0.0115
   },
   {
    "id": "gemini",
    "name": "Gemini",
    "volume": 1102843,
    "share": 0.0004
   },
   {
    "id": "forecastex",
    "name": "ForecastEx",
    "volume": 515901,
    "share": 0.0002
   }
  ]
 },
 "last_7_days": {
  "start": "2026-09-30",
  "end": "2026-10-06",
  "total": 23969616585
 },
 "last_30_days": {
  "start": "2026-09-07",
  "end": "2026-10-06",
  "total": 89135370070,
  "exchanges": [
   {
    "id": "kalshi",
    "name": "Kalshi",
    "volume": 66885027667,
    "share": 0.7504,
    "change_vs_prior_30_days": 0.5851,
    "url": "https://volumerace.com/exchanges/kalshi"
   },
   {
    "id": "polymarket-us",
    "name": "Polymarket US",
    "volume": 10189562526,
    "share": 0.1143,
    "change_vs_prior_30_days": 1.6724,
    "url": "https://volumerace.com/exchanges/polymarket-us"
   },
   {
    "id": "polymarket",
    "name": "Polymarket",
    "volume": 4467863645,
    "share": 0.0501,
    "change_vs_prior_30_days": -0.0115,
    "url": "https://volumerace.com/exchanges/polymarket"
   },
   {
    "id": "cdna",
    "name": "Crypto.com",
    "volume": 1852650084,
    "share": 0.0208,
    "change_vs_prior_30_days": 0.8987,
    "url": "https://volumerace.com/exchanges/cdna"
   },
   {
    "id": "novig",
    "name": "Novig",
    "volume": 1768738378,
    "share": 0.0198,
    "change_vs_prior_30_days": 1.3419,
    "url": "https://volumerace.com/exchanges/novig"
   },
   {
    "id": "dkex",
    "name": "DraftKings",
    "volume": 1706217029,
    "share": 0.0191,
    "change_vs_prior_30_days": 5.7666,
    "url": "https://volumerace.com/exchanges/dkex"
   },
   {
    "id": "rothera",
    "name": "Robinhood",
    "volume": 1249804607,
    "share": 0.014,
    "change_vs_prior_30_days": 0.9869,
    "url": "https://volumerace.com/exchanges/rothera"
   },
   {
    "id": "udx",
    "name": "Underdog",
    "volume": 952562905,
    "share": 0.0107,
    "change_vs_prior_30_days": 1.3528,
    "url": "https://volumerace.com/exchanges/udx"
   },
   {
    "id": "gemini",
    "name": "Gemini",
    "volume": 44145010,
    "share": 0.0005,
    "change_vs_prior_30_days": 0.1729,
    "url": "https://volumerace.com/exchanges/gemini"
   },
   {
    "id": "forecastex",
    "name": "ForecastEx",
    "volume": 18798219,
    "share": 0.0002,
    "change_vs_prior_30_days": -0.1263,
    "url": "https://volumerace.com/exchanges/forecastex"
   }
  ]
 },
 "year_to_date": {
  "start": "2026-01-01",
  "end": "2026-10-06",
  "total": 376742781335
 },
 "since_start": {
  "start": "2025-01-01",
  "end": "2026-10-06",
  "total": 429680370249
 },
 "record_day": {
  "date": "2026-10-04",
  "total": 5001065557
 },
 "splits_last_30_days": {
  "nonsports_share": 0.139,
  "combos_share": 0.5763,
  "excludes": [
   "Polymarket"
  ]
 },
 "months": [
  {
   "month": "2025-01",
   "total": 2820936459,
   "exchanges": {
    "polymarket": 2645461336,
    "kalshi": 174937785,
    "forecastex": 537338
   }
  },
  {
   "month": "2025-02",
   "total": 1716876316,
   "exchanges": {
    "polymarket": 1530126018,
    "kalshi": 186533682,
    "forecastex": 216616
   }
  },
  {
   "month": "2025-03",
   "total": 1933539190,
   "exchanges": {
    "polymarket": 1412021272,
    "kalshi": 521158809,
    "forecastex": 359109
   }
  },
  {
   "month": "2025-04",
   "total": 1770426748,
   "exchanges": {
    "polymarket": 1309623725,
    "kalshi": 460392588,
    "forecastex": 410435
   }
  },
  {
   "month": "2025-05",
   "total": 2001011587,
   "exchanges": {
    "polymarket": 1335516229,
    "kalshi": 664370898,
    "forecastex": 1124460
   }
  },
  {
   "month": "2025-06",
   "total": 2119533208,
   "exchanges": {
    "polymarket": 1333580717,
    "kalshi": 781780386,
    "forecastex": 4172105
   }
  },
  {
   "month": "2025-07",
   "total": 2017287848,
   "exchanges": {
    "polymarket": 1272455935,
    "kalshi": 740327332,
    "forecastex": 4504581
   }
  },
  {
   "month": "2025-08",
   "total": 2013348600,
   "exchanges": {
    "polymarket": 1103604002,
    "kalshi": 874375515,
    "cdna": 30979350,
    "forecastex": 4389733
   }
  },
  {
   "month": "2025-09",
   "total": 4651103507,
   "exchanges": {
    "kalshi": 2863623043,
    "polymarket": 1649263738,
    "cdna": 131978099,
    "forecastex": 6238627
   }
  },
  {
   "month": "2025-10",
   "total": 8777051121,
   "exchanges": {
    "kalshi": 4397854020,
    "polymarket": 4118663411,
    "cdna": 237922693,
    "forecastex": 22609480,
    "polymarket-us": 1517
   }
  },
  {
   "month": "2025-11",
   "total": 10557840602,
   "exchanges": {
    "kalshi": 5809972454,
    "polymarket": 4342222374,
    "cdna": 336626787,
    "forecastex": 67053991,
    "polymarket-us": 1964996
   }
  },
  {
   "month": "2025-12",
   "total": 12558633728,
   "exchanges": {
    "kalshi": 6584051093,
    "polymarket": 5310765514,
    "cdna": 380428932,
    "forecastex": 197152684,
    "polymarket-us": 84848423,
    "gemini": 1387082
   }
  },
  {
   "month": "2026-01",
   "total": 18158285025,
   "exchanges": {
    "kalshi": 9554274275,
    "polymarket": 7687381845,
    "cdna": 460433727,
    "polymarket-us": 282401604,
    "forecastex": 153243576,
    "gemini": 20549998
   }
  },
  {
   "month": "2026-02",
   "total": 19140590485,
   "exchanges": {
    "kalshi": 10436368504,
    "polymarket": 7952170202,
    "cdna": 403795283,
    "polymarket-us": 263125077,
    "forecastex": 63350656,
    "gemini": 21780763
   }
  },
  {
   "month": "2026-03",
   "total": 24986688569,
   "exchanges": {
    "kalshi": 13070245852,
    "polymarket": 10519168116,
    "polymarket-us": 701468256,
    "cdna": 637313285,
    "forecastex": 41156625,
    "gemini": 17336435
   }
  },
  {
   "month": "2026-04",
   "total": 25740478550,
   "exchanges": {
    "kalshi": 14807807662,
    "polymarket": 8902272620,
    "polymarket-us": 1261162614,
    "cdna": 705990570,
    "forecastex": 32983726,
    "gemini": 30261358
   }
  },
  {
   "month": "2026-05",
   "total": 27533599304,
   "exchanges": {
    "kalshi": 17910627520,
    "polymarket": 7064147354,
    "polymarket-us": 1769061903,
    "cdna": 725739481,
    "gemini": 38197216,
    "forecastex": 23712890,
    "rothera": 2112940
   }
  },
  {
   "month": "2026-06",
   "total": 50971354979,
   "exchanges": {
    "kalshi": 33002650923,
    "polymarket": 10819357108,
    "polymarket-us": 4041982090,
    "rothera": 2090479164,
    "cdna": 943672775,
    "gemini": 46790466,
    "forecastex": 26408406,
    "dkex": 14047
   }
  },
  {
   "month": "2026-07",
   "total": 56946135749,
   "exchanges": {
    "kalshi": 41046616506,
    "polymarket": 7990960238,
    "polymarket-us": 5000443154,
    "rothera": 1688064309,
    "cdna": 1117612756,
    "gemini": 49767351,
    "forecastex": 30078538,
    "dkex": 12698816,
    "udx": 9894081
   }
  },
  {
   "month": "2026-08",
   "total": 51191892451,
   "exchanges": {
    "kalshi": 40026381972,
    "polymarket": 4659883542,
    "polymarket-us": 3822254338,
    "cdna": 968176805,
    "novig": 628927335,
    "rothera": 594205827,
    "udx": 347420691,
    "dkex": 83696779,
    "gemini": 37098353,
    "forecastex": 23846809
   }
  },
  {
   "month": "2026-09",
   "total": 80772467457,
   "exchanges": {
    "kalshi": 60847344367,
    "polymarket-us": 8700663548,
    "polymarket": 4367985800,
    "dkex": 1808966921,
    "cdna": 1660249694,
    "novig": 1446326352,
    "rothera": 1155926304,
    "udx": 721463892,
    "gemini": 44056179,
    "forecastex": 19484400
   }
  }
 ],
 "kalshi_vs_polymarket_30_days": {
  "k": 66885027667,
  "pi": 4467863645,
  "pu": 10189562526,
  "p": 14657426171,
  "kshare": 0.8202
 },
 "sources": [
  {
   "id": "kalshi",
   "name": "Kalshi",
   "operator": "KalshiEX LLC",
   "regulator": "CFTC DCM",
   "source": "Kalshi daily market data file",
   "source_url": "https://kalshi.com/market-data"
  },
  {
   "id": "polymarket-us",
   "name": "Polymarket US",
   "operator": "QCX LLC (Polymarket US)",
   "regulator": "CFTC DCM",
   "source": "Polymarket US daily market report",
   "source_url": "https://www.polymarketexchange.com/daily-market-report.html"
  },
  {
   "id": "polymarket",
   "name": "Polymarket",
   "operator": "Polymarket (international, on-chain)",
   "regulator": "Offshore / on-chain",
   "source": "Polymarket volume API",
   "source_url": "https://data.polymarket.com/"
  },
  {
   "id": "dkex",
   "name": "DraftKings",
   "operator": "Railbird Exchange, LLC (DraftKings Predictions)",
   "regulator": "CFTC DCM",
   "source": "Railbird daily market report",
   "source_url": "https://railbirdexchange.com/reports/daily-market/manifest.json"
  },
  {
   "id": "cdna",
   "name": "Crypto.com",
   "operator": "Crypto.com | Derivatives North America (CDNA)",
   "regulator": "CFTC DCM",
   "source": "CDNA daily bulletin",
   "source_url": "https://s3.amazonaws.com/market-data-prod.nadex.com/"
  },
  {
   "id": "rothera",
   "name": "Robinhood",
   "operator": "Rothera Markets (Robinhood / Susquehanna)",
   "regulator": "CFTC DCM",
   "source": "Rothera end-of-day market file",
   "source_url": "https://publicfiles.rotheramarkets.com/"
  },
  {
   "id": "novig",
   "name": "Novig",
   "operator": "Novig Exchange",
   "regulator": "CFTC DCM",
   "source": "Novig exchange data page",
   "source_url": "https://data.novig.com/"
  },
  {
   "id": "udx",
   "name": "Underdog",
   "operator": "Underdog Exchange (UDX)",
   "regulator": "CFTC DCM",
   "source": "Underdog daily market data file",
   "source_url": "https://cftc-public-reports.underdogfantasy.com/reporting/"
  },
  {
   "id": "forecastex",
   "name": "ForecastEx",
   "operator": "ForecastEx LLC (Interactive Brokers)",
   "regulator": "CFTC DCM",
   "source": "ForecastEx daily summary",
   "source_url": "https://www.forecastex.com/data"
  },
  {
   "id": "gemini",
   "name": "Gemini",
   "operator": "Gemini Titan, LLC",
   "regulator": "CFTC DCM",
   "source": "Gemini prediction-markets volume API",
   "source_url": "https://www.gemini.com/titan/trade-and-market-data"
  }
 ],
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "cite_as": "Volume Race (volumerace.com), from each exchange's own daily report. Data through 2026-10-06.",
 "links": {
  "csv_all": "https://volumerace.com/data/csv/all.csv",
  "full_json": "https://volumerace.com/data/volume.json",
  "methodology": "https://volumerace.com/methodology",
  "faq": "https://volumerace.com/faq"
 }
}