{
 "slug": "co-02-house-margin-of-victory-2026",
 "title": "CO-02 House Election Margin of Victory",
 "url": "https://polymarkettrader.com/odds/co-02-house-margin-of-victory-2026/",
 "polymarket_url": "https://polymarket.com/event/co-02-house-margin-of-victory-2026",
 "category": "politics",
 "closed": false,
 "updated": "2026-10-21T00:50:00+00:00",
 "end_date": "2026-11-04T04:59:00+00:00",
 "volume": 20284.37,
 "volume_24h": 1574.89,
 "liquidity": 110390.74,
 "outcomes": [
  {
   "name": "Democrat 50-55%",
   "probability": 0.365,
   "change_24h": 0.01,
   "volume": 3113.81,
   "closed": false
  },
  {
   "name": "Democrat 45-50%",
   "probability": 0.2165,
   "change_24h": null,
   "volume": 5186.57,
   "closed": false
  },
  {
   "name": "Democrat 55-60%",
   "probability": 0.179,
   "change_24h": -0.007,
   "volume": 6366.95,
   "closed": false
  },
  {
   "name": "Democrat 60%+",
   "probability": 0.095,
   "change_24h": -0.001,
   "volume": 1405.84,
   "closed": false
  },
  {
   "name": "Democrat 40-45%",
   "probability": 0.085,
   "change_24h": 0.0305,
   "volume": 835.42,
   "closed": false
  },
  {
   "name": "Democrat 35-40%",
   "probability": 0.056,
   "change_24h": 0.0235,
   "volume": 675.17,
   "closed": false
  },
  {
   "name": "Democrat 20-30%",
   "probability": 0.048,
   "change_24h": -0.085,
   "volume": 610.0,
   "closed": false
  },
  {
   "name": "Democrat 30-35%",
   "probability": 0.0145,
   "change_24h": 0.012,
   "volume": 1006.52,
   "closed": false
  },
  {
   "name": "Democrat 0-20%",
   "probability": 0.0025,
   "change_24h": null,
   "volume": 617.98,
   "closed": false
  },
  {
   "name": "Republican Wins",
   "probability": 0.0015,
   "change_24h": null,
   "volume": 466.11,
   "closed": false
  }
 ],
 "history": {
  "Democrat 50-55%": [
   [
    1789992010,
    0.26
   ],
   [
    1790035214,
    0.235
   ],
   [
    1790078414,
    0.27
   ],
   [
    1790121615,
    0.27
   ],
   [
    1790164818,
    0.305
   ],
   [
    1790208027,
    0.3
   ],
   [
    1790251215,
    0.3
   ],
   [
    1790294419,
    0.3
   ],
   [
    1790337616,
    0.295
   ],
   [
    1790380816,
    0.3
   ],
   [
    1790424015,
    0.3
   ],
   [
    1790467215,
    0.305
   ],
   [
    1790510415,
    0.305
   ],
   [
    1790553630,
    0.305
   ],
   [
    1790596815,
    0.305
   ],
   [
    1790640016,
    0.35
   ],
   [
    1790683218,
    0.35
   ],
   [
    1790726418,
    0.315
   ],
   [
    1790769617,
    0.315
   ],
   [
    1790812819,
    0.315
   ],
   [
    1790856017,
    0.28
   ],
   [
    1790899217,
    0.31
   ],
   [
    1790942417,
    0.295
   ],
   [
    1790985620,
    0.285
   ],
   [
    1791028817,
    0.265
   ],
   [
    1791072017,
    0.265
   ],
   [
    1791115218,
    0.265
   ],
   [
    1791158420,
    0.42
   ],
   [
    1791201619,
    0.33
   ],
   [
    1791244819,
    0.385
   ],
   [
    1791288022,
    0.325
   ],
   [
    1791331221,
    0.32
   ],
   [
    1791374428,
    0.32
   ],
   [
    1791417628,
    0.33
   ],
   [
    1791460837,
    0.32
   ],
   [
    1791504028,
    0.32
   ],
   [
    1791547228,
    0.32
   ],
   [
    1791590422,
    0.465
   ],
   [
    1791633627,
    0.32
   ],
   [
    1791676827,
    0.3
   ],
   [
    1791720027,
    0.32
   ],
   [
    1791763238,
    0.335
   ],
   [
    1791806423,
    0.33
   ],
   [
    1791849629,
    0.345
   ],
   [
    1791892826,
    0.3
   ],
   [
    1791936027,
    0.29
   ],
   [
    1791979237,
    0.455
   ],
   [
    1792022442,
    0.325
   ],
   [
    1792065626,
    0.34
   ],
   [
    1792108827,
    0.31
   ],
   [
    1792152027,
    0.39
   ],
   [
    1792195232,
    0.315
   ],
   [
    1792238426,
    0.315
   ],
   [
    1792281653,
    0.325
   ],
   [
    1792324840,
    0.325
   ],
   [
    1792368025,
    0.33
   ],
   [
    1792411224,
    0.335
   ],
   [
    1792454425,
    0.355
   ],
   [
    1792497626,
    0.365
   ],
   [
    1792540826,
    0.31
   ],
   [
    1792545139,
    0.385
   ]
  ],
  "Democrat 45-50%": [
   [
    1789992014,
    0.283
   ],
   [
    1790035218,
    0.236
   ],
   [
    1790078418,
    0.3145
   ],
   [
    1790121620,
    0.327
   ],
   [
    1790164826,
    0.3345
   ],
   [
    1790208031,
    0.336
   ],
   [
    1790251220,
    0.3315
   ],
   [
    1790294423,
    0.312
   ],
   [
    1790337619,
    0.3095
   ],
   [
    1790380819,
    0.303
   ],
   [
    1790424018,
    0.302
   ],
   [
    1790467218,
    0.3015
   ],
   [
    1790510418,
    0.3015
   ],
   [
    1790553632,
    0.3545
   ],
   [
    1790596818,
    0.3405
   ],
   [
    1790640019,
    0.245
   ],
   [
    1790683221,
    0.2895
   ],
   [
    1790726421,
    0.199
   ],
   [
    1790769620,
    0.1615
   ],
   [
    1790812822,
    0.165
   ],
   [
    1790856021,
    0.181
   ],
   [
    1790899220,
    0.19
   ],
   [
    1790942420,
    0.211
   ],
   [
    1790985624,
    0.1915
   ],
   [
    1791028821,
    0.1655
   ],
   [
    1791072020,
    0.1725
   ],
   [
    1791115222,
    0.1415
   ],
   [
    1791158424,
    0.1995
   ],
   [
    1791201623,
    0.1915
   ],
   [
    1791244822,
    0.1905
   ],
   [
    1791288026,
    0.2095
   ],
   [
    1791331226,
    0.214
   ],
   [
    1791374441,
    0.2105
   ],
   [
    1791417641,
    0.201
   ],
   [
    1791460851,
    0.201
   ],
   [
    1791504042,
    0.206
   ],
   [
    1791547243,
    0.211
   ],
   [
    1791590427,
    0.179
   ],
   [
    1791633633,
    0.19
   ],
   [
    1791676834,
    0.242
   ],
   [
    1791720034,
    0.2155
   ],
   [
    1791763244,
    0.211
   ],
   [
    1791806430,
    0.214
   ],
   [
    1791849637,
    0.214
   ],
   [
    1791892834,
    0.2135
   ],
   [
    1791936035,
    0.2035
   ],
   [
    1791979246,
    0.2005
   ],
   [
    1792022451,
    0.2275
   ],
   [
    1792065636,
    0.2435
   ],
   [
    1792108836,
    0.249
   ],
   [
    1792152037,
    0.227
   ],
   [
    1792195242,
    0.2265
   ],
   [
    1792238437,
    0.22
   ],
   [
    1792324850,
    0.2165
   ],
   [
    1792368035,
    0.2165
   ],
   [
    1792411234,
    0.2165
   ],
   [
    1792454435,
    0.2165
   ],
   [
    1792497637,
    0.2165
   ],
   [
    1792540838,
    0.2165
   ],
   [
    1792545142,
    0.2165
   ]
  ],
  "Democrat 55-60%": [
   [
    1789992013,
    0.0445
   ],
   [
    1790035218,
    0.0605
   ],
   [
    1790078417,
    0.1315
   ],
   [
    1790121619,
    0.125
   ],
   [
    1790164825,
    0.1335
   ],
   [
    1790208030,
    0.164
   ],
   [
    1790251219,
    0.1345
   ],
   [
    1790294422,
    0.1345
   ],
   [
    1790337618,
    0.1595
   ],
   [
    1790380818,
    0.1335
   ],
   [
    1790424017,
    0.14
   ],
   [
    1790467217,
    0.135
   ],
   [
    1790510417,
    0.1345
   ],
   [
    1790553632,
    0.1395
   ],
   [
    1790596817,
    0.1325
   ],
   [
    1790640018,
    0.137
   ],
   [
    1790683220,
    0.131
   ],
   [
    1790726420,
    0.226
   ],
   [
    1790769619,
    0.3035
   ],
   [
    1790812821,
    0.3015
   ],
   [
    1790856020,
    0.2855
   ],
   [
    1790899220,
    0.2525
   ],
   [
    1790942419,
    0.26
   ],
   [
    1790985623,
    0.273
   ],
   [
    1791028820,
    0.273
   ],
   [
    1791072019,
    0.25
   ],
   [
    1791115221,
    0.291
   ],
   [
    1791158423,
    0.24
   ],
   [
    1791201622,
    0.2075
   ],
   [
    1791244822,
    0.211
   ],
   [
    1791288025,
    0.2115
   ],
   [
    1791331225,
    0.2045
   ],
   [
    1791374438,
    0.2005
   ],
   [
    1791417638,
    0.2005
   ],
   [
    1791460848,
    0.2005
   ],
   [
    1791504039,
    0.2005
   ],
   [
    1791547240,
    0.2005
   ],
   [
    1791590426,
    0.2005
   ],
   [
    1791633632,
    0.2005
   ],
   [
    1791676832,
    0.216
   ],
   [
    1791720032,
    0.216
   ],
   [
    1791763242,
    0.2195
   ],
   [
    1791806429,
    0.2185
   ],
   [
    1791849635,
    0.218
   ],
   [
    1791892832,
    0.2195
   ],
   [
    1791936033,
    0.2195
   ],
   [
    1791979244,
    0.2195
   ],
   [
    1792022449,
    0.225
   ],
   [
    1792065634,
    0.2285
   ],
   [
    1792108834,
    0.2115
   ],
   [
    1792152035,
    0.0545
   ],
   [
    1792195240,
    0.165
   ],
   [
    1792238435,
    0.1825
   ],
   [
    1792324848,
    0.185
   ],
   [
    1792368033,
    0.1865
   ],
   [
    1792411232,
    0.182
   ],
   [
    1792454433,
    0.186
   ],
   [
    1792497635,
    0.182
   ],
   [
    1792540835,
    0.1875
   ],
   [
    1792545142,
    0.179
   ]
  ]
 },
 "license": "CC BY 4.0",
 "license_url": "https://creativecommons.org/licenses/by/4.0/",
 "attribution": {
  "required": true,
  "text": "Odds data: PolymarketTrader.com",
  "url": "https://polymarkettrader.com/odds/co-02-house-margin-of-victory-2026/",
  "html": "<a href=\"https://polymarkettrader.com/odds/co-02-house-margin-of-victory-2026/\">Odds data: PolymarketTrader.com</a>"
 },
 "source": "Polymarket public Gamma and CLOB APIs; not affiliated with Polymarket."
}