Will the Republicans win the Montana Senate race in 2026?

Prediction markets currently give a 76% probability that Will the Republicans win the Montana Senate race in 2026?. This contract trades at 76¢ on Polymarket. The market is pricing Republicans as heavy favorites at 81% with a tight 1¢ spread, but the extreme 778.7% implied yield on the "No" side signals severe mispricing or illiquidity concerns—typical for deeply lopsided political markets where contrarian bets are starved for capital.

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76¢
Bid/Ask 75/77¢·Spread 2¢·Vol $4.81·OI $16,608.129·195d remaining
0xd103195d48bf6183e28c4140bd374dd3e907e8f8d411374cb4d2d124ec4c216d
7-day price61 snapshots · 6 regime
82¢76¢ current
Apr 876¢Apr 21

Analysis

4d ago

The market is pricing Republicans as heavy favorites at 81% with a tight 1¢ spread, but the extreme 778.7% implied yield on the "No" side signals severe mispricing or illiquidity concerns—typical for deeply lopsided political markets where contrarian bets are starved for capital. The modest $101.65 daily volume against $14,150.77 open interest suggests limited fresh liquidity, and the 3¢ price rise over seven days indicates gradual Republican confidence building rather than a sharp catalyst. The neutral regime score and moderate cliff risk index suggest this is a stable market without imminent resolution pressure, making it suitable for longer-term positioning but risky for short-term traders given the skewed yield structure.

Resolution rules

This market will resolve according to the winner of the 2026 midterm Montana U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.

Indicators

IY (Yes) 59.1%
IY (No) 592.8%
Adj IY 593%
CRI 3
RV 76%
VR 1.00
▶ Full indicator table (7)
IndicatorValue
IY (Yes)59.1%
IY (No)592.8%
Adj IY593%
CRI3
RV76%
VR1.00
IAR0.4/h

Regime

Label
neutral
Score
0.477
Spread
2¢
Computed
4/22/2026, 12:20:04 AM
Observability mediumEvent type political
Indicators computed 4/22/2026, 12:08:18 AM

Trade

View on polymarketsf trade 0xd103195d48bf6183e28c4140bd374dd3e907e8f8d411374cb4d2d124ec4c216d yes 100

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