AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82New Zealand general election winner: National 37% ▼ 61Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 92% ▲ 39College Football Playoff Qualifiers: Ohio St. 14% ▼ 37Test Match: Afghanistan vs Zimbabwe: Draw 72% ▲ 24Will Pete Hegseth be impeached: Before Apr 1… 82% ▲ 23Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23"Avengers: Doomsday" Opening Weekend Box Off… 57% ▲ 22ATP Paris Winner: Carlos Alcaraz 78% ▲ 21Pete Hegseth impeached by...: March 31, 2027 78% ▲ 20How much will Anthropic raise in its IPO: $6… 44% ▲ 20Pete Hegseth impeached by...: December 31, 2… 62% ▲ 20NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19Heisman Trophy Winner: CJ Carr 34% ▲ 18Jonathan Taylor Next Team: New York G 32% ▼ 18Who will receive the second mandate to form … 57% ▲ 18Khamenei # posts November 3 - November 10, 2… 84% ▲ 17NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17College Football Playoff Qualifiers: Texas 73% ▲ 17Vincent van Gogh's “Châtaigniers en fleurs” … 30% ▲ 17What will Trump say during 60 Minutes: Midterm 74% ▼ 16AZ-08 House winner? (2028): Republican party 91% ▲ 91AZ-09 House winner? (2028): Republican party 82% ▲ 82New Zealand general election winner: National 37% ▼ 61Big Bash League, Women: Sydney Sixers vs Syd… 9% ▼ 41Abu Dhabi T10 League: United Tigers vs Arabi… 9% ▼ 41Peak traffic through the Strait of Hormuz? (… 92% ▲ 39College Football Playoff Qualifiers: Ohio St. 14% ▼ 37Test Match: Afghanistan vs Zimbabwe: Draw 72% ▲ 24Will Pete Hegseth be impeached: Before Apr 1… 82% ▲ 23Brazilian Grand Prix: Driver Winner: Max Ver… 13% ▼ 23"Avengers: Doomsday" Opening Weekend Box Off… 57% ▲ 22ATP Paris Winner: Carlos Alcaraz 78% ▲ 21Pete Hegseth impeached by...: March 31, 2027 78% ▲ 20How much will Anthropic raise in its IPO: $6… 44% ▲ 20Pete Hegseth impeached by...: December 31, 2… 62% ▲ 20NCAA Football: 2026 Heisman Award Winner: CJ… 32% ▲ 19Heisman Trophy Winner: CJ Carr 34% ▲ 18Jonathan Taylor Next Team: New York G 32% ▼ 18Who will receive the second mandate to form … 57% ▲ 18Khamenei # posts November 3 - November 10, 2… 84% ▲ 17NCAA Football: 2026 Heisman Award Winner: Je… 21% ▼ 17College Football Playoff Qualifiers: Texas 73% ▲ 17Vincent van Gogh's “Châtaigniers en fleurs” … 30% ▲ 17What will Trump say during 60 Minutes: Midterm 74% ▼ 16

Mississippi Senate Election Winner Odds

Polymarket traders give Scott Colom (D) a 99% chance (Kalshi: 98%).

Polymarket Volume $6.2M 24h $164K Liquidity $252K Ends Nov 4, 2026 Updated Nov 8, 5:30 AM EST
OutcomeChanceOdds24h Kalshi
Scott Colom (D)
99% -9900 — 98%
Cindy Hyde-Smith (R)
<1% +11011 — 2%

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Price history

0% 25% 50% 75% 100% Sep 30 Nov 6
Scott Colom (D)Cindy Hyde-Smith (R)

On Kalshi

The same question also trades on Kalshi. Check the resolution rules before comparing prices: small wording differences change what pays out.

Mississippi Senate winner? · In 2026
Scott Colom98% —
Cindy Hyde-Smith2% ▲ 1
Kalshi $317K 24h · $15.4M vol

Resolution rules

This market will resolve according to the winner of the 2026 midterm Mississippi U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.

Source: Polymarket. The venue's rules are final.

FAQ

Who is favored in Mississippi Senate Election Winner?

As of Nov 8, 5:30 AM EST, traders on Polymarket price Scott Colom (D) at 99%, about -9900 in American odds. On Kalshi the same outcome trades at 98%. Prices move with every trade.

How are prediction market odds calculated?

Each contract pays $1 if the outcome happens and $0 if it doesn't, so its price is the market's implied probability: a 60¢ contract means roughly a 60% chance. We show the last trade, or the midpoint between the best bid and ask when the order book is tight.

When does this market close?

Polymarket lists Nov 4, 2026 as the end date. It can close earlier if the outcome is decided.

Where can I trade on Mississippi Senate Election Winner?

This market trades on Polymarket and a matching market trades on Kalshi. Availability depends on where you live: Kalshi is a CFTC-regulated US exchange, while Polymarket's international site isn't available to US users (Polymarket US is a separate app). You must be 18 or older.