PolymarketCheck availabilityNo KYC2% feeVerified resolution dataFairly calibratedCurrent implied probabilityDemocratic Party 87%Leader of 8 outcomes
Market quality
69 / 100
Medium quality24h Volume
$248
Liquidity
$28.5K
High liquidityBid / Ask
12.0% / 14.0%
Spread
2.0 pt
Moderate spread7d Change
+2.5 pts
Market data
Updated 10 minutes ago
Jan 28, 26, 4:24 PMNov 3, 26, 12:00 AM
Trends
0%
0%
0%
0%
Paper funds only — no real moneyNot financial advice
Selected outcome
Democratic Party87%
Compare venues· Democratic Party
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| PolymarketThis pageBest overall | Medium | 87% | — | $248 | $28.5K | 10 minutes ago | |
 Kalshi60% match · verified | Low | 80% | — | $0 | $13.5K | 10 minutes ago | Open → |
Also available on Kalshi
CA-45 House winner?
1y
80.8%
19.2%
49 • Low qualityWide spreadMedium liquidity
Total Vol$18.9K
24h Vol$0
KALSHIRules
This market will resolve according to the party of the candidate who wins the CA-45 congressional district seat in the U.S.
- House of Representatives in the 2026 midterm elections.
- The midterm elections will take place on November 3, 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.
Probabilities may differ due to different market structures, fees, and participant pools.
Volume trend
$248Jul 516d of dataJul 27
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This market will resolve according to the party of the candidate who wins the CA-45 congressional district seat in the U.S.
- House of Representatives in the 2026 midterm elections.
- The midterm elections will take place on November 3, 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.