As of October 24, 2026, 08:53 PM ET, Polymarket traders price South Dakota at 80.0% in Closer Senate Race: South Dakota or New Mexico? — $4.0K traded so far.
The leading outcome, South Dakota, is priced at 80.0%.
Price changes for the leading market — 24 hours: -2.0 pts; past week: -5.0 pts.
Since October 08, 2026, South Dakota has traded between 51.0% and 88.5%. It opened at 72.0% and last traded at 82.0%.
| Day | Close |
|---|---|
| Oct 16, 2026 | 86.5% |
| Oct 17, 2026 | 85.0% |
| Oct 18, 2026 | 85.0% |
| Oct 19, 2026 | 87.0% |
| Oct 20, 2026 | 88.5% |
| Oct 22, 2026 | 51.0% |
| Oct 23, 2026 | 82.0% |
South Dakota is favored at 80.0%.
| Outcome | Price | Implied probability | 24h change | Volume | Volume share |
|---|---|---|---|---|---|
| South Dakota | 80¢ | 80.0% | -2.0 pts | $4.0K | 100.0% |
| New Mexico | 20¢ | 20.0% | +2.0 pts | $4.0K | 100.0% |
See the full live book for this market on Polymarket
The leading market's spread is 6¢ (bid 77¢ / ask 83¢) — a tighter spread means cheaper round-trip trading.
$4.0K has been traded on this event in total, $0 of it in the last 24 hours, across 1 market.
This market is scheduled to end November 03, 2026, 11:59 PM ET.
The 2026 midterm elections are scheduled to be held on November 3, 2026. This market will resolve to "South Dakota" if the regularly-scheduled US Senate race in South Dakota has a smaller unrounded margin of victory than that of the New Mexico Senate election. This market will resolve to "New Mexico" if the regularly-scheduled US Senate race in New Mexico has a smaller unrounded margin of victory than that of the South Dakota Senate election. If both states have the same margin of victory, this market will resolve 50-50. For the purpose of this market, the “margin of victory” is defined as the absolute difference between the percentages of valid votes received by the first- and second-place candidates. Percentages of the valid votes received by each candidate will be determined by dividing the total number of valid votes each of the top two candidates receives by the sum of all valid votes cast in the election. For elections that include runoffs, ranked-choice, or other multi-round elections, the relevant margin of victory will be that of the round in which the winner is determined. In the event that a relevant margin of victory cannot be determined by March 31, 2027, that state's margin of victory will be considered to be 0% for purposes of this market. … (condensed)
The largest current holder of the leading market holds 2,616 shares of New Mexico.
| Holder | Outcome held | Shares | Value at current price |
|---|---|---|---|
| Dead-Lava | New Mexico | 2,616 | $523 |
| Cultivated-Diesel | South Dakota | 2,000 | $1.6K |
| Piercing-Formation | South Dakota | 513 | $410 |
| Creative-Wheel | New Mexico | 329 | $66 |
| Little-Gold | South Dakota | 218 | $174 |
| Snappy-Rooster | South Dakota | 172 | $138 |
| Thorny-Cashew | South Dakota | 150 | $120 |
| Belated-Glue | New Mexico | 105 | $21 |
| Crazy-Stirfry | South Dakota | 50 | $40 |
| Straight-Wrinkle | New Mexico | 40 | $8 |
| Time | Outcome | Side | Price | Size |
|---|---|---|---|---|
| Oct 23, 11:09 AM ET | South Dakota | SELL | 76.0% | $1 |
| Oct 23, 11:08 AM ET | New Mexico | SELL | 18.0% | $7 |
| Oct 23, 04:00 AM ET | New Mexico | SELL | 20.0% | $26 |
| Oct 22, 11:23 PM ET | New Mexico | SELL | 26.0% | $10 |
| Oct 22, 06:08 PM ET | South Dakota | BUY | 49.0% | $15 |
| Oct 22, 03:36 PM ET | New Mexico | BUY | 28.0% | $6 |
| Oct 22, 12:27 PM ET | South Dakota | SELL | 79.0% | $32 |
| Oct 22, 12:17 PM ET | South Dakota | SELL | 79.0% | $16 |
| Oct 22, 12:17 PM ET | South Dakota | SELL | 79.0% | $16 |
| Oct 22, 12:17 PM ET | South Dakota | SELL | 79.0% | $32 |
As of October 24, 2026, 08:45 PM ET, the leading outcome is South Dakota at 80.0%. Next is New Mexico at 20.0%. See the live book on Polymarket: https://polymarket.com/event/closer-senate-race-south-dakota-or-new-mexico?via=bro
$4.0K in total volume, with $0 traded in the last 24 hours across 1 markets.
The market is scheduled to end November 03, 2026, 11:59 PM ET.
South Dakota, priced at 80.0% as of October 24, 2026, 08:45 PM ET. Prices are implied probabilities backed by real-money trading.
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