Will the Republican Party win the CO-04 House seat?

Prediction markets currently give a 66% probability that Will the Republican Party win the CO-04 House seat?. This contract trades at 66¢ on Polymarket, closing November 3, 2026. This CO-04 market shows extreme illiquidity with zero 24-hour volume despite $15.5K open interest, suggesting the 65¢ Republican price may not reflect true consensus given the 6¢ spread and extraordinarily high realized volatility of 793%.

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66¢
Bid/Ask 64/67¢·Spread 3¢·Vol $0·OI $22,978.779·Closes Nov 3, 2026·195d remaining
0x13d25ac2d08197538635b4879303c2e01e1e6f2250eaeca4cd2a81fbf864fb9d
7-day price706 snapshots · 2 regime
74¢66¢ current
Apr 844¢Apr 21

Analysis

4d ago

This CO-04 market shows extreme illiquidity with zero 24-hour volume despite $15.5K open interest, suggesting the 65¢ Republican price may not reflect true consensus given the 6¢ spread and extraordinarily high realized volatility of 793%. The No side's 324.6% implied yield is unusually elevated relative to the Yes side's 102.7%, indicating significant mispricing or hedging demand for a Democratic outcome in this traditionally competitive district with 200 days to expiration.

Resolution rules

This market will resolve according to the party of the candidate who wins the CO-04 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Indicators

IY (Yes) 96.4%
IY (No) 363.3%
Adj IY 363%
CRI 2
RV 233%
VR 2.32
▶ Full indicator table (7)
IndicatorValue
IY (Yes)96.4%
IY (No)363.3%
Adj IY363%
CRI2
RV233%
VR2.32
IAR2.2/h

Regime

Label
neutral
Score
0.5
Spread
3¢
Computed
4/21/2026, 11:54:07 PM
Indicators computed 4/21/2026, 11:53:18 PM

Trade

View on polymarketsf trade 0x13d25ac2d08197538635b4879303c2e01e1e6f2250eaeca4cd2a81fbf864fb9d yes 100

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