KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedCurrent implied probability
Both lose 49.5%Leader of 4 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Both lose 49.5%Market quality
62 / 100
Medium quality24h Volume
$172
Open interest
$34.9K
High open interestSpread
3.0 pt
Moderate spreadMarket data
Updated 12 minutes ago
Sep 15, 26, 12:00 AM UTCNov 3, 27, 2:00 PM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 30m (informational)
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If a candidate other than Mike Rogers in Michigan's U.S. Senate election and a candidate other than Susan Collins in Maine's U.S. Senate election win their respective November 3, 2026 elections, then the market resolves to Yes.
- This market is eligible for accelerated determination two days after a consensus of media organizations project the winner. The full rules provide further details.
Rules for each outcome
- Both lose
- If a candidate other than Mike Rogers in Michigan's U.S. Senate election and a candidate other than Susan Collins in Maine's U.S. Senate election win their respective November 3, 2026 elections, then the market resolves to Yes.
- Rogers loses, Collins wins
- If a candidate other than Mike Rogers in Michigan's U.S. Senate election and Susan Collins in Maine's U.S. Senate election win their respective November 3, 2026 elections, then the market resolves to Yes.
- Both win
- If Mike Rogers in Michigan's U.S. Senate election and Susan Collins in Maine's U.S. Senate election win their respective November 3, 2026 elections, then the market resolves to Yes.
- Rogers wins, Collins loses
- If Mike Rogers in Michigan's U.S. Senate election and a candidate other than Susan Collins in Maine's U.S. Senate election win their respective November 3, 2026 elections, then the market resolves to Yes.