| Will the Republican Party win 213-217 seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 5% | 771K |
| Cindy Hyde-Smith: Will Republicans win the Senate race in Mississippi?Kalshi · Open, closes Nov 3, 2027 | 86% | 757K |
| Aaron Ford (D): Will the Democrats win the Nevada governor race in 2026?Polymarket · Open, closes Nov 3, 2026 | 76% | 756K |
| Will the Republican Party win 228-232 seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 0.9% | 754K |
| Kurt Alme: Will Republicans win the Senate race in Montana?Kalshi · Open, closes Nov 3, 2027 | 91% | 743K |
| Bobby Pulido: Will Democratic win the House race for TX-15?Kalshi · Open, closes Nov 3, 2027 | 89% | 705K |
| Seth Bodnar: Will Independents win the Senate race in Montana?Kalshi · Open, closes Nov 3, 2027 | 9% | 702K |
| Will the Republican Party hold exactly 52 Senate seats after the 2026 midterm elections?Polymarket · Open | 3% | 701K |
| Will the Democratic Party hold 50 seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 6% | 683K |
| Will the Democratic party win below 210 House seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 2% | 682K |
| Katie Hobbs: Will the Democratic party win the governorship in ArizonaKalshi · Open, closes Nov 3, 2027 | 93% | 672K |
| David Crowley: Will the Democratic party win the governorship in WisconsinKalshi · Open, closes Nov 3, 2027 | 84% | 667K |
| IA, KS, MI: Will Republicans win Iowa, Kansas, and Michigan, and lose Alaska, Maine, Ohio, and Texas?Polymarket · Open, closes Nov 3, 2026 | 0.7% | 666K |
| David Jolly (D): Will the Democrats win the Florida governor race in 2026?Polymarket · Open, closes Nov 3, 2026 | 38% | 633K |
| Will the Republican party hold exactly 54 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 2% | 623K |
| Yes: Will at least 50 states conduct 2026 U.S. House midterms on time?Kalshi · Open, closes Nov 10, 2026 | 96% | 620K |
| John Nagel: Will Republican win the House race for MN-05?Kalshi · Open, closes Nov 3, 2027 | 2% | 600K |
| Yes: Will Democrats win the 2026 senate elections in Georgia, Michigan, North Carolina, AND Maine?Kalshi · Open, closes Nov 3, 2027 | 68% | 596K |
| Phil Scott: Will the Republican party win the governorship in VermontKalshi · Open, closes Nov 3, 2027 | 69% | 594K |
| Jim Risch: Will Republicans win the Senate race in Idaho?Kalshi · Open, closes Nov 3, 2027 | 95% | 593K |
| Will the Republican Party win 233-237 seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 0.5% | 593K |
| Will the Republican party hold exactly 48 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 14% | 581K |
| Joe Lombardo (R): Will the Republicans win the Nevada governor race in 2026?Polymarket · Open, closes Nov 3, 2026 | 25% | 580K |
| ≤47: Will the Republican Party hold 47 or fewer Senate seats after the 2026 midterm elections?Polymarket · Open | 54% | 572K |
| James Talarico, 3+ pts: Will the margin of victory for Democrats in the U.S. Senate election in Texas be at least 3 percentage points?Kalshi · Open, closes Nov 3, 2027 | 53% | 568K |
| Hormuz Agreement; D Senate: Will there be a Hormuz agreement and the Democrats win the Senate?Polymarket · Open, closes Nov 3, 2026 | 4% | 568K |
| Letitia James: Will the Democratic party win the Attorney General race in New York?Kalshi · Open, closes Nov 3, 2027 | 95% | 567K |
| Mike Lawler: Will Republican win the House race for NY-17?Kalshi · Open, closes Nov 3, 2027 | 43% | 563K |
| Below 45: Will the Republican party hold fewer than 45 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 17% | 559K |
| 28–29: Will the Republican Party hold exactly 28 or 29 governorships after the 2026 midterm elections?Polymarket · Open, closes Nov 3, 2026 | 2% | 559K |
| Tom Perriello: Will Democratic win the House race for VA-05?Kalshi · Open, closes Nov 3, 2027 | 35% | 555K |
| Will Trump publicly criticize Kevin Warsh before Jan 1, 2027?Kalshi · Open, closes Dec 31, 2026 | 28% | 553K |
| Will the Republican party hold exactly 55 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 2% | 547K |
| Yes: Will Democrats hold 240 or more seats in the House after the 2026 midterms AND hold 54 or more seats in the Senate after the 2026 midterms?Kalshi · Open, closes Feb 1, 2027 | 33% | 545K |
| Will the Republican party hold exactly 53 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 4% | 539K |
| Will Todd Achilless win the Senate race in Idaho?Kalshi · Open, closes Nov 3, 2027 | 6% | 535K |
| David Crowley (D): Will the Democrats win the Wisconsin governor race in 2026?Polymarket · Open, closes Nov 3, 2026 | 86% | 513K |
| Tom Tiffany (R): Will the Republicans win the Wisconsin governor race in 2026?Polymarket · Open, closes Nov 3, 2026 | 14% | 508K |
| Will the Republican Party hold exactly 55 Senate seats after the 2026 midterm elections?Polymarket · Open | 0.6% | 505K |
| Will Dan Sullivan win the 2026 Alaska Senate race?Kalshi · Open, closes Nov 3, 2027 | 30% | 498K |
| Will the Republican Party hold exactly 53 Senate seats after the 2026 midterm elections?Polymarket · Open | 3% | 493K |
| Peggy Flanagan (D): Will the Democrats win the Minnesota Senate race in 2026?Polymarket · Open, closes Nov 3, 2026 | 94% | 491K |
| Ken Paxton, 3+ pts: Will the margin of victory for Republicans in the U.S. Senate election in Texas be at least 3 percentage points?Kalshi · Open, closes Nov 3, 2027 | 16% | 490K |
| Above 57: Will the Republican party hold more than 57 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 1% | 485K |
| Will the Republican party hold exactly 56 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 1% | 482K |
| Ken Paxton and Troy Jackson: Will Texas Senate be Ken Paxton wins AND Maine Senate be Troy Jackson wins for Nov 2026?Kalshi · Open, closes Nov 3, 2027 | 7% | 481K |
| Lisa Demuth: Will the Republican party win the governorship in MinnesotaKalshi · Open, closes Nov 3, 2027 | 3% | 479K |
| Will the Republican party hold exactly 52 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 5% | 477K |
| Will the Republican party hold exactly 45 Senate seats in the 120th Congress?Kalshi · Open, closes Feb 1, 2027 | 12% | 467K |
| Yes: Red wave in 2026?Kalshi · Open, closes Feb 1, 2027 | 4% | 464K |