2026 Balance of Power: D Senate, D House
53 %
+0.00% day
A Polymarket contract on the 2026 US midterms paying out only if Democrats win control of both the Senate and the House. Traders price the joint outcome, so it sits below the odds of either chamber flipping on its own.
Sep 14 · 53.00 % · +6.0% vs the window’s open
the numbers32
| when | value | change |
|---|---|---|
| Aug 15 | 50.00 % | |
| Aug 16 | 50.00 % | 0.0% |
| Aug 17 | 50.00 % | 0.0% |
| Aug 18 | 48.00 % | −4.0% |
| Aug 19low | 47.00 % | −2.1% |
| Aug 20 | 48.00 % | +2.1% |
| Aug 21 | 49.00 % | +2.1% |
| Aug 22 | 47.00 % | −4.1% |
| Aug 23 | 47.00 % | 0.0% |
| Aug 24 | 48.00 % | +2.1% |
| Aug 25 | 48.00 % | 0.0% |
| Aug 26 | 49.00 % | +2.1% |
| Aug 27 | 49.00 % | 0.0% |
| Aug 28 | 50.00 % | +2.0% |
| Aug 29 | 50.00 % | 0.0% |
| Aug 30 | 50.00 % | 0.0% |
| Aug 31 | 51.00 % | +2.0% |
| Sep 1 | 51.00 % | 0.0% |
| Sep 2 | 51.00 % | 0.0% |
| Sep 3 | 51.00 % | 0.0% |
| Sep 4 | 50.00 % | −2.0% |
| Sep 5 | 50.00 % | 0.0% |
| Sep 6 | 50.00 % | 0.0% |
| Sep 7 | 52.00 % | +4.0% |
| Sep 8 | 52.00 % | 0.0% |
| Sep 9 | 52.00 % | 0.0% |
| Sep 10 | 51.00 % | −1.9% |
| Sep 11 | 50.00 % | −2.0% |
| Sep 12 | 50.00 % | 0.0% |
| Sep 13 | 50.00 % | 0.0% |
| Sep 14high | 53.00 % | +6.0% |
| Sep 14latest | 53.00 % | 0.0% |