Daily market report
Election markets on Tuesday, September 15, 2026
Democrats ended the day 56% to win the Senate (Democratic odds up 4.0 points) and 86% to win the House; the biggest move was IA-02 (Iowa), where Democratic odds went from 52% to 56%.
Kalshi and Polymarket, averaged · times in UTC days
Biggest moves
| Race | Start of day | End of day | Change (D) |
|---|---|---|---|
| IA-02 (Iowa) | D 52% | D 56% | ▲ 3.7 |
| NC-09 (North Carolina) | D 20% | D 24% | ▲ 3.6 |
| NE-01 (Nebraska) | D 11% | D 8% | ▼ 3.4 |
| NV-01 (Nevada) | D 91% | D 94% | ▲ 2.9 |
| Texas Senate | D 51% | D 54% | ▲ 2.7 |
| FL-09 (Florida) | D 39% | D 36% | ▼ 2.3 |
| PA-01 (Pennsylvania) | D 39% | D 41% | ▲ 2.2 |
| NV-04 (Nevada) | D 92% | D 94% | ▲ 2.2 |
| TX-35 (Texas) | D 61% | D 58% | ▼ 2.2 |
| New Hampshire Governor | D 14% | D 12% | ▼ 2.1 |
