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closest senate race on Kalshi
If Mississippi has the smallest margin of victory among all elections in the 2026 United States Senate elections as of Jan 3, 2027, then the market resolves to Yes.
Settles on: CBS News, Fox News, official state or local election division websites, ABC, The Washington Post, Reuters, Ballotpedia, CNN, The Wall Street Journal, official government websites of the relevant jurisdictions, Politico, NBC News, the Associated Press, The New York Times, Bloomberg News, FiveThirtyEight.
The cover charge
| If you buy at | Fee per contract | On $50 | Win rate to break even |
|---|---|---|---|
| 1¢ (now) | 0.1¢ | $3.47 | 1.1% |
| 30¢ | 1.5¢ | $2.45 | 31.5% |
| 50¢ | 1.8¢ | $1.75 | 51.7% |
| 70¢ | 1.5¢ | $1.05 | 71.5% |
| 90¢ | 0.6¢ | $0.35 | 90.6% |
Resting orders pay no fee on this series. Formula: 7% × contracts × price × (1 − price), rounded up, on orders that take liquidity. Break-even assumes you hold to settlement; trading out early pays the fee twice.
Open contracts right now
| Contract | YES price | Implied | Fee at this price | Real-world odds | Luck needed | Volume | Closes |
|---|---|---|---|---|---|---|---|
| Will Alaska have the smallest margin of victory in 2026 United States Senate elections? · Alaska | 6¢ | 6% | 0.4¢ | — | 13% | 330,254 | Jan 03, 04:59 UTC |
| Will Mississippi have the smallest margin of victory in 2026 United States Senate elections? · Mississippi | 94¢ | 94% | 0.4¢ | — | 13% | 321,155 | Jan 03, 04:59 UTC |
| Will Iowa have the smallest margin of victory in 2026 United States Senate elections? · Iowa | 0¢ | 0% | 0.0¢ | — | 0% | 296,629 | Jan 03, 04:59 UTC |
| Will Kansas have the smallest margin of victory in 2026 United States Senate elections? · Kansas | 0¢ | 0% | 0.0¢ | — | 1% | 263,468 | Jan 03, 04:59 UTC |
| Will Texas have the smallest margin of victory in 2026 United States Senate elections? · Texas | 0¢ | 0% | 0.0¢ | — | 0% | 218,777 | Jan 03, 04:59 UTC |
| Will Louisiana have the smallest margin of victory in 2026 United States Senate elections? · Louisiana | 1¢ | 1% | 0.1¢ | — | 2% | 202,270 | Jan 03, 04:59 UTC |
| Will South Carolina have the smallest margin of victory in 2026 United States Senate elections? · South Carolina | 0¢ | 0% | 0.0¢ | — | 1% | 195,959 | Jan 03, 04:59 UTC |
| Will Michigan have the smallest margin of victory in 2026 United States Senate elections? · Michigan | 0¢ | 0% | 0.0¢ | — | 0% | 195,786 | Jan 03, 04:59 UTC |
| Will Maine have the smallest margin of victory in 2026 United States Senate elections? · Maine | 0¢ | 0% | 0.0¢ | — | 0% | 179,214 | Jan 03, 04:59 UTC |
| Will Nebraska have the smallest margin of victory in 2026 United States Senate elections? · Nebraska | 0¢ | 0% | 0.0¢ | — | 0% | 171,065 | Jan 03, 04:59 UTC |
| Will Ohio have the smallest margin of victory in 2026 United States Senate elections? · Ohio | 0¢ | 0% | 0.0¢ | — | 0% | 161,931 | Jan 03, 04:59 UTC |
| Will Florida have the smallest margin of victory in 2026 United States Senate elections? · Florida | 0¢ | 0% | 0.0¢ | — | 1% | 159,374 | Jan 03, 04:59 UTC |
| Will Georgia have the smallest margin of victory in 2026 United States Senate elections? · Georgia | 0¢ | 0% | 0.0¢ | — | 0% | 131,665 | Jan 03, 04:59 UTC |
| Will Montana have the smallest margin of victory in 2026 United States Senate elections? · Montana | 0¢ | 0% | 0.0¢ | — | 1% | 123,982 | Jan 03, 04:59 UTC |
| Will Minnesota have the smallest margin of victory in 2026 United States Senate elections? · Minnesota | 0¢ | 0% | 0.0¢ | — | 0% | 119,653 | Jan 03, 04:59 UTC |
| Will North Carolina have the smallest margin of victory in 2026 United States Senate elections? · North Carolina | 0¢ | 0% | 0.0¢ | — | 0% | 117,981 | Jan 03, 04:59 UTC |
| Will New Hampshire have the smallest margin of victory in 2026 United States Senate elections? · New Hampshire | 0¢ | 0% | 0.0¢ | — | 0% | 92,666 | Jan 03, 04:59 UTC |
| Will South Dakota have the smallest margin of victory in 2026 United States Senate elections? · South Dakota | 0¢ | 0% | 0.0¢ | — | 1% | 89,201 | Jan 03, 04:59 UTC |
| Will Idaho have the smallest margin of victory in 2026 United States Senate elections? · Idaho | 0¢ | 0% | 0.0¢ | — | 1% | 59,261 | Jan 03, 04:59 UTC |
| Will Arkansas have the smallest margin of victory in 2026 United States Senate elections? · Arkansas | 0¢ | 0% | 0.0¢ | — | 1% | 57,949 | Jan 03, 04:59 UTC |
Who actually wins this market
- Whoever posts the resting orders and collects the spread without paying a fee.
- The venue, on every fee.
- Not, on average, the person clicking buy because the chart is going their way. That was us.
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