Live Odds · Updated October 24, 2026

Closer Senate Race: South Dakota or New Mexico?

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.

Last updated October 24, 2026, 08:45 PM ET with live prices from Polymarket. 24h volume: $0.
Leading outcome
South Dakota
80%
A 80.0% price implies roughly a 80-in-100 chance, set by traders risking real money.
24H −2.0 pts7D −5.0 pts
South Dakota80.0%
New Mexico20.0%
Bid
77¢
Ask
83¢
Spread
6¢
Trade on Polymarket →
Range since October 08, 2026: 51.0% – 88.5% · Opened at 72.0%

Market facts

Event data
Event
Closer Senate Race: South Dakota or New Mexico?
Category
Senate, Midterms, Politics, US Election, New Mexico Midterm, South Dakota Midterm
Scheduled end
November 03, 2026, 11:59 PM ET
Total volume
$4.0K
Volume (24h)
$0
Liquidity
$993
Markets
1
Leading outcome
South Dakota — 80.0%

What is the current price?

Momentum & history

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%.

DayClose
Oct 16, 202686.5%
Oct 17, 202685.0%
Oct 18, 202685.0%
Oct 19, 202687.0%
Oct 20, 202688.5%
Oct 22, 202651.0%
Oct 23, 202682.0%

Who is favored to win?

Outcomes

South Dakota is favored at 80.0%.

OutcomePriceImplied probability24h changeVolumeVolume share
South Dakota80¢80.0%-2.0 pts$4.0K100.0%
New Mexico20¢20.0%+2.0 pts$4.0K100.0%

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.

How much has been traded?

Volume

$4.0K has been traded on this event in total, $0 of it in the last 24 hours, across 1 market.

When does this market resolve?

Rules

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)

What do the biggest traders hold?

Top holders

The largest current holder of the leading market holds 2,616 shares of New Mexico.

HolderOutcome heldSharesValue at current price
Dead-LavaNew Mexico2,616$523
Cultivated-DieselSouth Dakota2,000$1.6K
Piercing-FormationSouth Dakota513$410
Creative-WheelNew Mexico329$66
Little-GoldSouth Dakota218$174
Snappy-RoosterSouth Dakota172$138
Thorny-CashewSouth Dakota150$120
Belated-GlueNew Mexico105$21
Crazy-StirfrySouth Dakota50$40
Straight-WrinkleNew Mexico40$8

What are the latest trades?

Tape
BUY New Mexico — $360 at 13.8%BUY South Dakota — $44 at 87.0%SELL South Dakota — $40 at 79.0%
TimeOutcomeSidePriceSize
Oct 23, 11:09 AM ETSouth DakotaSELL76.0%$1
Oct 23, 11:08 AM ETNew MexicoSELL18.0%$7
Oct 23, 04:00 AM ETNew MexicoSELL20.0%$26
Oct 22, 11:23 PM ETNew MexicoSELL26.0%$10
Oct 22, 06:08 PM ETSouth DakotaBUY49.0%$15
Oct 22, 03:36 PM ETNew MexicoBUY28.0%$6
Oct 22, 12:27 PM ETSouth DakotaSELL79.0%$32
Oct 22, 12:17 PM ETSouth DakotaSELL79.0%$16
Oct 22, 12:17 PM ETSouth DakotaSELL79.0%$16
Oct 22, 12:17 PM ETSouth DakotaSELL79.0%$32

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Frequently asked questions

FAQ

What are the odds of Closer Senate Race: South Dakota or New Mexico??

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

How much money has been traded on Closer Senate Race: South Dakota or New Mexico??

$4.0K in total volume, with $0 traded in the last 24 hours across 1 markets.

When does Closer Senate Race: South Dakota or New Mexico? end?

The market is scheduled to end November 03, 2026, 11:59 PM ET.

What is the most likely outcome of Closer Senate Race: South Dakota or New Mexico?, according to Polymarket traders?

South Dakota, priced at 80.0% as of October 24, 2026, 08:45 PM ET. Prices are implied probabilities backed by real-money trading.

Browse the live odds index, today's biggest movers, and Whale Watch for the largest positions.

⚠️ Not financial advice: odds swing hard on news. Never bet money you can't afford to lose, and always read a market's resolution rules before trading.

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