Republican · FL
Brian Mast
As of October 5, 2026, prediction markets give Brian Mast (Republican) a 90% chance of winning the 2026 FL-21 House race (Kalshi 90%, Polymarket 90%).
Odds in every market
| Market | Chance | Kalshi | Polymarket | 24h |
|---|---|---|---|---|
| 2026 FL-21 House race | 90% | 90% | 90% | — |
Chance = this candidate's share of each market's prices, averaged across the exchanges that list it.
Campaign money
- Raised
- $4.3M
- Spent
- $3.2M
- Cash on hand
- $2.9M
- Outside groups for
- $63K
- Outside groups against
- $0
Through July 29, 2026. $3.2M from individuals, $389K from PACs. FEC filings for Brian Mast →
Running against
- James Martin10%
Market prices from Kalshi and Polymarket, collected every 10 minutes. Research, not betting advice.
