{
 "slug": "ia-03-house-margin-of-victory-2026",
 "title": "IA-03 House Election Margin of Victory",
 "url": "https://polymarkettrader.com/odds/ia-03-house-margin-of-victory-2026/",
 "polymarket_url": "https://polymarket.com/event/ia-03-house-margin-of-victory-2026",
 "category": "politics",
 "closed": false,
 "updated": "2026-10-22T00:50:00+00:00",
 "end_date": "2026-11-04T04:59:00+00:00",
 "volume": 21183.77,
 "volume_24h": 2109.9,
 "liquidity": 125654.87,
 "outcomes": [
  {
   "name": "Democrat 9-12%",
   "probability": 0.17,
   "change_24h": -0.005,
   "volume": 2617.95,
   "closed": false
  },
  {
   "name": "Democrat 6-9%",
   "probability": 0.149,
   "change_24h": -0.02,
   "volume": 6320.9,
   "closed": false
  },
  {
   "name": "Democrat 3-6%",
   "probability": 0.13,
   "change_24h": -0.045,
   "volume": 2405.95,
   "closed": false
  },
  {
   "name": "Democrat 12-15%",
   "probability": 0.1125,
   "change_24h": -0.0435,
   "volume": 1737.96,
   "closed": false
  },
  {
   "name": "Republican 3-6%",
   "probability": 0.1005,
   "change_24h": -0.0085,
   "volume": 1612.94,
   "closed": false
  },
  {
   "name": "Republican 0-3%",
   "probability": 0.0925,
   "change_24h": 0.042,
   "volume": 1068.27,
   "closed": false
  },
  {
   "name": "Democrat 0-3%",
   "probability": 0.085,
   "change_24h": 0.04,
   "volume": 3069.34,
   "closed": false
  },
  {
   "name": "Republican 6%+",
   "probability": 0.045,
   "change_24h": -0.0075,
   "volume": 871.28,
   "closed": false
  },
  {
   "name": "Democrat 15-18%",
   "probability": 0.043,
   "change_24h": -0.11,
   "volume": 579.44,
   "closed": false
  },
  {
   "name": "Democrat 18%+",
   "probability": 0.0055,
   "change_24h": -0.02,
   "volume": 899.74,
   "closed": false
  }
 ],
 "history": {
  "Democrat 9-12%": [
   [
    1790078417,
    0.1
   ],
   [
    1790121618,
    0.1
   ],
   [
    1790164824,
    0.105
   ],
   [
    1790208029,
    0.105
   ],
   [
    1790251219,
    0.095
   ],
   [
    1790294421,
    0.055
   ],
   [
    1790337617,
    0.055
   ],
   [
    1790380818,
    0.07
   ],
   [
    1790424017,
    0.055
   ],
   [
    1790467217,
    0.07
   ],
   [
    1790510416,
    0.07
   ],
   [
    1790553631,
    0.075
   ],
   [
    1790596817,
    0.08
   ],
   [
    1790640018,
    0.075
   ],
   [
    1790683219,
    0.075
   ],
   [
    1790726419,
    0.2
   ],
   [
    1790769619,
    0.195
   ],
   [
    1790812821,
    0.155
   ],
   [
    1790856019,
    0.155
   ],
   [
    1790899219,
    0.155
   ],
   [
    1790942419,
    0.15
   ],
   [
    1790985622,
    0.15
   ],
   [
    1791028819,
    0.155
   ],
   [
    1791072019,
    0.145
   ],
   [
    1791115220,
    0.22
   ],
   [
    1791158422,
    0.19
   ],
   [
    1791201621,
    0.185
   ],
   [
    1791244821,
    0.185
   ],
   [
    1791288024,
    0.185
   ],
   [
    1791331224,
    0.185
   ],
   [
    1791374436,
    0.185
   ],
   [
    1791417636,
    0.185
   ],
   [
    1791460846,
    0.185
   ],
   [
    1791504036,
    0.13
   ],
   [
    1791547237,
    0.18
   ],
   [
    1791590425,
    0.185
   ],
   [
    1791633631,
    0.195
   ],
   [
    1791676831,
    0.23
   ],
   [
    1791720031,
    0.195
   ],
   [
    1791763241,
    0.195
   ],
   [
    1791806428,
    0.165
   ],
   [
    1791849634,
    0.195
   ],
   [
    1791892831,
    0.21
   ],
   [
    1791936032,
    0.23
   ],
   [
    1791979243,
    0.22
   ],
   [
    1792022447,
    0.215
   ],
   [
    1792065632,
    0.215
   ],
   [
    1792108833,
    0.21
   ],
   [
    1792152033,
    0.2
   ],
   [
    1792195238,
    0.2
   ],
   [
    1792238433,
    0.185
   ],
   [
    1792281659,
    0.175
   ],
   [
    1792324846,
    0.22
   ],
   [
    1792368031,
    0.16
   ],
   [
    1792411231,
    0.195
   ],
   [
    1792454431,
    0.17
   ],
   [
    1792497633,
    0.17
   ],
   [
    1792540833,
    0.17
   ],
   [
    1792584033,
    0.175
   ]
  ],
  "Democrat 6-9%": [
   [
    1790078415,
    0.1305
   ],
   [
    1790121616,
    0.1305
   ],
   [
    1790164820,
    0.11
   ],
   [
    1790208027,
    0.135
   ],
   [
    1790251217,
    0.1775
   ],
   [
    1790294419,
    0.1635
   ],
   [
    1790337616,
    0.1135
   ],
   [
    1790380816,
    0.1165
   ],
   [
    1790424015,
    0.1165
   ],
   [
    1790467215,
    0.1165
   ],
   [
    1790510415,
    0.1185
   ],
   [
    1790553630,
    0.1195
   ],
   [
    1790596815,
    0.123
   ],
   [
    1790640016,
    0.123
   ],
   [
    1790683218,
    0.118
   ],
   [
    1790726418,
    0.191
   ],
   [
    1790769617,
    0.1855
   ],
   [
    1790812819,
    0.186
   ],
   [
    1790856017,
    0.1975
   ],
   [
    1790899217,
    0.197
   ],
   [
    1790942417,
    0.1975
   ],
   [
    1790985620,
    0.197
   ],
   [
    1791028817,
    0.196
   ],
   [
    1791072017,
    0.1955
   ],
   [
    1791115218,
    0.1985
   ],
   [
    1791158420,
    0.1985
   ],
   [
    1791201619,
    0.208
   ],
   [
    1791244819,
    0.2095
   ],
   [
    1791288022,
    0.207
   ],
   [
    1791331221,
    0.2065
   ],
   [
    1791374428,
    0.2085
   ],
   [
    1791417628,
    0.215
   ],
   [
    1791460837,
    0.2105
   ],
   [
    1791504028,
    0.2095
   ],
   [
    1791547228,
    0.2095
   ],
   [
    1791590422,
    0.2025
   ],
   [
    1791633627,
    0.2195
   ],
   [
    1791676827,
    0.216
   ],
   [
    1791720027,
    0.219
   ],
   [
    1791763238,
    0.215
   ],
   [
    1791806424,
    0.2115
   ],
   [
    1791849629,
    0.2085
   ],
   [
    1791892826,
    0.2105
   ],
   [
    1791936027,
    0.218
   ],
   [
    1791979238,
    0.2185
   ],
   [
    1792022442,
    0.2205
   ],
   [
    1792065626,
    0.2175
   ],
   [
    1792108827,
    0.2315
   ],
   [
    1792152027,
    0.2265
   ],
   [
    1792195232,
    0.2785
   ],
   [
    1792238427,
    0.2315
   ],
   [
    1792281653,
    0.1595
   ],
   [
    1792324840,
    0.1675
   ],
   [
    1792368025,
    0.204
   ],
   [
    1792411225,
    0.175
   ],
   [
    1792454425,
    0.1755
   ],
   [
    1792497627,
    0.1765
   ],
   [
    1792540826,
    0.1715
   ],
   [
    1792584027,
    0.1575
   ]
  ],
  "Democrat 3-6%": [
   [
    1790078419,
    0.135
   ],
   [
    1790121621,
    0.14
   ],
   [
    1790164829,
    0.14
   ],
   [
    1790208032,
    0.135
   ],
   [
    1790251221,
    0.16
   ],
   [
    1790294424,
    0.165
   ],
   [
    1790337620,
    0.155
   ],
   [
    1790380819,
    0.155
   ],
   [
    1790424019,
    0.155
   ],
   [
    1790467219,
    0.175
   ],
   [
    1790510419,
    0.125
   ],
   [
    1790553633,
    0.13
   ],
   [
    1790596818,
    0.125
   ],
   [
    1790640020,
    0.115
   ],
   [
    1790683222,
    0.06
   ],
   [
    1790726422,
    0.11
   ],
   [
    1790769621,
    0.115
   ],
   [
    1790812823,
    0.185
   ],
   [
    1790856022,
    0.185
   ],
   [
    1790899221,
    0.185
   ],
   [
    1790942421,
    0.185
   ],
   [
    1790985625,
    0.185
   ],
   [
    1791028822,
    0.185
   ],
   [
    1791072021,
    0.18
   ],
   [
    1791115223,
    0.16
   ],
   [
    1791158425,
    0.19
   ],
   [
    1791201624,
    0.16
   ],
   [
    1791244824,
    0.16
   ],
   [
    1791288028,
    0.21
   ],
   [
    1791331227,
    0.18
   ],
   [
    1791374445,
    0.17
   ],
   [
    1791417645,
    0.175
   ],
   [
    1791460856,
    0.165
   ],
   [
    1791504047,
    0.2
   ],
   [
    1791547247,
    0.175
   ],
   [
    1791590429,
    0.185
   ],
   [
    1791633635,
    0.18
   ],
   [
    1791676836,
    0.15
   ],
   [
    1791720036,
    0.175
   ],
   [
    1791763245,
    0.18
   ],
   [
    1791806432,
    0.265
   ],
   [
    1791849639,
    0.175
   ],
   [
    1791892836,
    0.16
   ],
   [
    1791936037,
    0.18
   ],
   [
    1791979249,
    0.19
   ],
   [
    1792022454,
    0.185
   ],
   [
    1792065640,
    0.195
   ],
   [
    1792108839,
    0.18
   ],
   [
    1792152040,
    0.18
   ],
   [
    1792195245,
    0.165
   ],
   [
    1792238440,
    0.175
   ],
   [
    1792324853,
    0.195
   ],
   [
    1792368038,
    0.18
   ],
   [
    1792411238,
    0.18
   ],
   [
    1792454438,
    0.18
   ],
   [
    1792497640,
    0.145
   ],
   [
    1792540841,
    0.17
   ],
   [
    1792584041,
    0.17
   ]
  ]
 },
 "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/ia-03-house-margin-of-victory-2026/",
  "html": "<a href=\"https://polymarkettrader.com/odds/ia-03-house-margin-of-victory-2026/\">Odds data: PolymarketTrader.com</a>"
 },
 "source": "Polymarket public Gamma and CLOB APIs; not affiliated with Polymarket."
}