2026 Senate
New Hampshire Senate race odds
As of Oct 3, 2026, prediction markets give Democrat Chris Pappas a 87% chance of winning the 2026 New Hampshire Senate race over Republican John E. Sununu (Kalshi 87%, Polymarket 87%).
Updated · prices refresh every 10 minutes
- Market rating
- Likely D
- Kalshi (D / R)
- 86.5% / 13.5%
- Polymarket (D / R)
- 86.5% / 13.5%
- Gap between exchanges
- 0.0 pts
- Election Day
- Nov 3, 2026 (32 days)
Price history
Democratic odds rose 2.4 points over the past 3 months, from 84% to 87%.
Every candidate, by exchange
Each exchange's prices rescaled to add up to 100%. Kalshi prices are the bid–ask midpoint; Polymarket prices are its displayed price.
Kalshi open market ↗
| Outcome | Chance | Volume |
|---|---|---|
| Chris Pappas (D) | 86.5% | $463K |
| John E. Sununu (R) | 13.5% | $1.2M |
Polymarket open market ↗
| Outcome | Chance | Volume |
|---|---|---|
| Chris Pappas (D) | 86.5% | $146K |
| John E. Sununu (R) | 13.5% | $150K |
Questions about this race
Who is favored to win the 2026 New Hampshire Senate race?
As of Oct 3, 2026, prediction markets give Democrat Chris Pappas a 87% chance of winning the 2026 New Hampshire Senate race over Republican John E. Sununu (Kalshi 87%, Polymarket 87%).
What do Kalshi and Polymarket say?
Kalshi: Democrats 87%, Republicans 14%. Polymarket: Democrats 87%, Republicans 14%. The two exchanges differ by 0.0 points.
How have the odds moved this week?
Democratic odds have risen 0.7 points since Sep 26, 2026.
When is the 2026 election?
Election Day is Nov 3, 2026, 32 days from now.
Other New Hampshire races in 2026
- New Hampshire GovernorR 95%
- NH-01 HouseD 96%
- NH-02 HouseD 94%
Closest Senate races in 2026
Data
Price history (JSON)All 2026 races (JSON)All 2026 races (CSV)2026 dashboardMethodology
Cite as: Parlay the People, “2026 New Hampshire Senate race,” https://parlaythepeople.com/2026/senate/new-hampshire/, accessed Oct 3, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.