Will Democratic win the House race for OH-9?
Marcy KapturKalshiOpen, closes Nov 3, 2027182K contracts traded
81%
Yes · −1 pts in 24 h · bid 80%, ask 81%
Venue price history, then the order book Langbot recorded to the close
What moved it
The largest moves on the record and what Langbot heard or read just before each one. Timing, not cause.
79% to 67% (−12 pts)Aug 22, 5:00 AM ET
Nothing on the record in the ten minutes before.
69% to 79% (+10.5 pts)Aug 20, 6:00 PM ET
Nothing on the record in the ten minutes before.
62% to 74% (+12 pts)Jul 24, 12:00 PM ET
Nothing on the record in the ten minutes before.
54% to 64% (+10 pts)Jun 18, 2:00 PM ET
Nothing on the record in the ten minutes before.
71% to 48% (−23.5 pts)May 21, 6:00 AM ET
Nothing on the record in the ten minutes before.
The rules
Kalshi's rules, as the venue wrote them.
If the House member sworn in for OH-09 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.
This market is eligible for accelerated determination after a consensus of media organizations project the winner.
See full rules for details.
- Ticker
- HOUSEOH9-26-D
- Closes
- Nov 3, 2027
- Category
- Elections
Langbot consolidated probability
81%
Yes, across 2 venues, as of Nov 2, 6:32 AM ET. The venues are 1% apart. Fees not included. How it is measured
- Kalshi 81% · weight 95%
- Polymarket 82% · weight 5%
A published measurement: the liquidity-weighted average of the YES mids of equivalent markets on different venues, stale and wide quotes left out, fees not included. Not advice, not a signal.
The same question on Polymarket
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