Democrat · MA
Jake Auchincloss
As of October 5, 2026, prediction markets give Jake Auchincloss (Democrat) a 98% chance of winning the 2026 MA-04 House race (Kalshi 99%, Polymarket 98%).
Odds in every market
| Market | Chance | Kalshi | Polymarket | 24h |
|---|---|---|---|---|
| 2026 MA-04 House race | 98% | 99% | 98% | — |
Chance = this candidate's share of each market's prices, averaged across the exchanges that list it.
Campaign money
- Raised
- $3.6M
- Spent
- $1.3M
- Cash on hand
- $7.3M
- Outside groups for
- $190K
- Outside groups against
- $0
Through August 12, 2026. $2.3M from individuals, $725K from PACs. FEC filings for Jake Auchincloss →
Running against
Market prices from Kalshi and Polymarket, collected every 10 minutes. Research, not betting advice.
