Short Answer

The AP is likely to call the Mississippi Senate election before December 4. This reflects the impact of outstanding absentee and affidavit ballots and potential legal challenges, which could delay a definitive call past November 10, as priced at 95%.

1. Market Behavior & Drivers

The market repriced dramatically on November 5, with the probability of a call before November 21 spiking from 0.0% to 73.0%. This move was driven by the unexpectedly close result in the Mississippi Senate election. Initial market pricing implied a decisive Republican victory, but returns showed Democrat Scott Colom holding a narrow 1,813-vote lead over incumbent Cindy Hyde-Smith as of November 6. The competitiveness of the race is attributed in part to Colom's effective social media campaign.
The price consolidated at 72.0% on November 6. This sustained high probability reflects the Associated Press's decision not to call the race while the margin remained exceptionally thin. With Colom leading by just 0.1% of the vote, the conditions for an immediate call were not met, forcing the market to price in a delay for vote counting and certification.
  • The AP call is likely to occur after the Nov. 10 ballot resolution deadline.
  • A definitive call before November 11 is highly improbable due to unprocessed ballots.
  • An extremely close race and potential legal challenges may further delay AP's call.

Who Wins and Why

Outcome Market Model Why
Before Nov 11 70.0% 61.3% Due to the Nov. 10 deadline, vote totals will likely not be fully processed before November 11.
Before Nov 14 72.0% 66.3% The close race, outstanding ballots, and potential challenges indicate a call after the Nov. 10 deadline.
Before Nov 21 80.0% 73.2% An extremely close race, outstanding ballots, and potential legal challenges will likely delay the call.
Before Dec 4 95.0% 91.2% An extremely close race and potential legal challenges likely push the call beyond the ballot resolution deadline.
Before Jan 4 0.0% 12.0% The extremely close race and potential legal challenges may delay a call past earlier dates.

Current Context

The AP had not called the Mississippi U.S. Senate race as of November 6, 2026 [1][2][3]. Latest AP-reported figures showed Democrat Scott Colom with 466,775 votes (49.0%) and Republican Cindy Hyde-Smith with 464,962 votes (48.9%), a lead of 1,813 votes for Colom [1][4][5]. Approximately 96% of the vote has been estimated counted [1][4][5]. The AP calls races when it determines the trailing candidate has no viable path to close the gap, and Mississippi does not have an automatic recount mechanism [3][6].
Key deadlines set the likely window for an AP call. Mississippi’s November 10 deadline requires eligible mailed absentee ballots to be received and certain affidavit ballots to be cured [7][8][9]. Counties must transmit certified general-election returns by November 13, with the Mississippi Secretary of State’s formal statewide declaration scheduled for December 3 [8][10][11]. The most defensible timing for an AP call is between November 10 and November 13, with November 11 or 12 as a reasonable midpoint [3][7][8][10][6][12]. Confidence is lower if outstanding ballots keep the margin narrow or trigger litigation [6][12].
Prediction markets show a significant shift toward Colom after Election Day. Kalshi and Polymarket were approximately 97% for Colom on November 5 [13][14]. The AP-call timing market showed about 68% for a call before November 11 and 83% before November 14 [12]. Pre-election expectations favored Hyde-Smith; Decision Desk HQ’s November 3 forecast gave her a 91% win probability, but the actual count overtook that forecast [15].
Sources (15)
  1. 1Mississippi U.S. Senate Election Live Results 2026apnews.com
  2. 2Thursday: What races AP has not yet called - Mississippi Todaymississippitoday.org
  3. 3Races AP hasn't called yet in contests for Senate and governor | AP Newsapnews.com
  4. 4Mississippi Election Results 2026: Live Updates: NPRnpr.org
  5. 5Election 2026 live results: Democrat Colom leads Republican Hyde-Smith by about 1,000 votes in Mississippi Senate Race - ABC Newsabcnews.com
  6. 6What to expect in Mississippi on Election Day | AP Newsapnews.com
  7. 7Secretary of State explains affidavit ballot process in Mississippi Senate racewlbt.com
  8. 8Mississippi Secretary of State’s Office Elections Divisionsos.ms.gov
  9. 9Mississippi’s U.S. Senate race likely won’t be decided soon | Biloxi Sun Heraldsunherald.com
  10. 10Mississippi has 10 days to certify election results, secretary of state sayswlbt.com
  11. 11Why Affidavit Ballots Will Decide Mississippi’s Senate Racesecuredemocracyfoundation.org
  12. 12When will AP call the Mississippi Senate election? (Nov 3, 2026 election): Odds, Chart & News | 4Search Predictions4search.com
  13. 13Prediction markets have $35 million in bets on Mississippi Senate raceclarionledger.com
  14. 14Mississippi Senate Race 2026 Polls & Live Oddsactionnetwork.com
  15. 152026 Mississippi US Senate Forecast | DDHQvotes.decisiondeskhq.com

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

Outcome: Before Nov 11

📈 November 06, 2026: 47.0pp spike

Price increased from 23.0% to 70.0%

What happened: The primary driver of the 47.0 percentage point spike was likely the approaching November 10, 2026, deadline for Mississippi to receive eligible absentee ballots and resolve provisional/affidavit ballots [1][2][3]. Despite the Mississippi Senate race remaining uncalled with Democrat Scott Colom holding a narrow lead over Republican Sen. Cindy Hyde-Smith, the market likely anticipated that the resolution of these outstanding ballots by the deadline would provide sufficient clarity for the Associated Press to make a definitive call before November 11 [4][5][6][2][7][8]. This implied an increased expectation that the AP could determine an insurmountable lead on November 10, closing the window for further delays related to new ballot processing. Social media was irrelevant, as no related activity was noted in the provided research.

Outcome: Before Nov 21

📈 November 05, 2026: 81.0pp spike

Price increased from 0.0% to 81.0%

What happened: The primary driver of the 81.0 percentage point spike for the "Before Nov 21" outcome was the unexpected competitiveness of the Mississippi Senate election, largely fueled by Democrat Scott Colom's viral social media campaign [9]. His "pick another senator" ad (Oct 13, 2.8M+ views) and "Sinators" ad (Oct 30, 380K+ views) "turned a deep-red state into a surprise battleground and drove the prediction market spike" for the overall race [9][10]. This social media-driven competitiveness created conditions for a dramatic overnight flip in the election outcome market by November 4, as ballot counting solidified Colom's lead [11][12][13][14], subsequently increasing the perceived likelihood of an AP call before November 21. Therefore, social media was a primary driver, fundamentally altering the race's trajectory and creating the conditions for the subsequent market volatility.
Sources (14)
  1. 1When will the Mississippi Senate race be called? Key dates | Edit USAeditusa.com
  2. 2Mississippi Senate Race: Colom Leads Hyde-Smith by 1,138consensusdaily.com
  3. 3What to know about recounts in Mississippi with razor-thin margin in Senate race - ABC Newsabcnews.com
  4. 4Races AP hasn't called yet in contests for Senate and governor | AP Newsapnews.com
  5. 5Scott Colom maintains over 1,000-vote lead in tight Mississippi Senate race - WXXV News 25wxxv25.com
  6. 6Mississippi Senate: Scott Colom leads Cindy Hyde-Smithcnbc.com
  7. 7Senate, governor races not yet called by The Associated Press | AP Newsapnews.com
  8. 8What races the AP has not yet called in contests for Senate and governor | KRQE News 13krqe.com
  9. 9Scott Colom’s Mississippi Votes Are Still Rolling In—and So Are the Views on His Viral Campaign Ads | Vanity Fairvanityfair.com
  10. 10Why the Scott Colom 'pick another senator' ad from MS went viralclarionledger.com
  11. 1143 Votes Apart. Kalshi Flipped Mississippi Senate to 78% Colom.predictionauthority.com
  12. 12Mississippi Senate Race 2026 Polls & Live Oddsactionnetwork.com
  13. 13Market pulse: Traders price Mississippi, L.A. upsetswillamettenews.com
  14. 14Mississippi vote counting heats up with Democrats poised to flip another Senate seatms.now

4. Market Data

Contract Snapshot

This market resolves YES if the Associated Press (AP) makes its first definitive call for the Mississippi U.S. Senate election before November 11. It resolves NO if the AP's first definitive call occurs on or after November 11. The final settlement of the market, including any payouts, is set for a maximum date of January 4, 2027.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Before Nov 11 $0.69 $0.44 70%
Before Nov 14 $0.89 $0.28 72%
Before Nov 21 $0.96 $0.20 80%
Before Dec 4 $1.00 $0.94 95%
Before Jan 4 $0.99 $1.00 0%

Market Discussion

Traders strongly expect the AP to call the Mississippi Senate election soon, with a 72% probability it will be called before November 14th, and 70% before November 11th. This consensus for an early call is primarily driven by the fact that 95.7% of the vote has already been counted. Despite Republican Cindy Hyde-Smith holding a polling lead over Democrat Scott Colom, the near-complete vote tally suggests a definitive outcome is imminent.

5. Trust Index

Octagon Trust Index Kalshi 80 Good

“Before Dec 4” made a sharp jump with almost no trading behind it.

Integrity risk· Thin-volume moves

How it adds up
Integrity80% of score87Strong
Trade quality20% of score53Caution

Includes the cost to trade: a $1,000 order can't be filled here because the order book is too thin.

Trust score80Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply

6. What factors, including the volume and expected partisan lean of outstanding ballots, will influence the AP's decision timeline after November 10?

Provisional Ballot DeadlineNov. 10 [1][2]
Election Certification DueNov. 13 [1][2]
Colom's Lead (as of Nov. 6)~1,800 votes [1]
The AP's decision hinges on ballot counts and potential challenges. The Associated Press (AP) determines when to call a race based on the accepted-ballot advantage, the remaining pool of unresolved votes, and any potential legal challenges [3][1][2][4]. The AP only calls a race when no scenario remains for the trailing candidate to close the gap [4]. Mississippi voters typically have until November 10 to provide approved identification or rectify eligibility issues for provisional ballots, with counties subsequently accepting or rejecting ballots, and final certification slated for November 13 [1][2]. An immediate call after November 10 would be supported by a substantial accepted-ballot advantage for the leading candidate, combined with a lead comfortably exceeding any plausible remaining vote count or legal/recount swing [3][1][2][4]. Conversely, a narrow or reversed margin, a significant unresolved pool, slow county adjudication, or credible court challenges would likely lead to a delay in the AP's announcement [3][1][2][4].
A small lead and many outstanding ballots complicate the race. As of November 6, the leading candidate's reported lead had grown to approximately 1,800 votes [1]. Estimates for outstanding ballots range from about 15,000 (campaign estimate) to as many as 20,000 (Republican estimates), and the total number was unknown by the secretary of state [1]. This outstanding pool of votes is unusually consequential because the reported margin is considerably smaller than the estimated number of unresolved votes [3][4].
Sources (4)
  1. 1The fight is growing over ballot counting in Mississippi's...cnn.com
  2. 2Mississippi Colom vs. Hyde-Smith Senate race still...wbaltv.com
  3. 3Thursday: What races AP has not yet calledmississippitoday.org
  4. 4Live Results: Mississippi Senate midterm electionpbs.org

7. How does the AP's historical timeline for calling close Senate races compare to Mississippi's 2026 ballot receipt (Nov. 10) and certification (Nov. 13) deadlines?

Mississippi Outstanding Vote DeadlineNovember 10 (for receipt/counting and submission) [1][2][3]
Mississippi Election Certification DeadlineNovember 13 [1][2][3]
Uncounted Ballots vs. Vote MarginApproximately 20,000 uncounted ballots (including 17,000 affidavit ballots), with leading candidates separated by 1,000–1,800 votes (as of November 5) [4][1][2]
Mississippi's 2026 Senate election features specific statutory deadlines. The state's statutory milestones for the 2026 election include November 10 for the receipt and counting of all outstanding votes, and November 13 for the official certification of results [1][2][3]. While these dates define when the outcome can be fully known, news organizations are not legally obligated to wait for official certification to make an election call [1][2][3]. Given these factors, an election call on Election Day, November 3, is considered unlikely [5][6].
The election call is probable after outstanding votes are counted. Specifically, a call is plausible after the November 10 deadline for counting outstanding votes and highly probable by the November 13 certification date [5][7][1][2][6]. This projection is reinforced by reports from November 5, which indicated approximately 20,000 uncounted ballots, including about 17,000 affidavit ballots [4][1][2]. At that time, the leading candidates were separated by a narrow margin of only 1,000 to 1,800 votes [4][1][2]. This close contest combined with a significant number of outstanding ballots suggests that the call window will likely be tied to the November 10 deadline rather than occurring on Election Night [4][1][2].
Election calls could face delays from unforeseen complications. A later announcement for the election outcome remains possible if complications arise, such as disputes, further canvass review processes, or litigation [5][7][6]. Such issues could prevent news organizations from making a clear 'no-path-to-victory' determination for a candidate, thereby delaying the final call [5][7][6].
Sources (7)
  1. 1Mississippi Colom vs. Hyde-Smith Senate race still...wbaltv.com
  2. 2MS Republican Party discusses undecided Senate racewlbt.com
  3. 3What to know about recounts in Mississippi with razor-thin...abc7chicago.com
  4. 4A look at the midterm races that remain undecidedpbs.org
  5. 5When will we know who controls Congress? Here's why it...1011now.com
  6. 6When will AP call the Mississippi Senate election? · Before Dec 4 95% — Kalshi oddspdata.world
  7. 7How we declare winners | The Associated Pressgoogle.com

8. How does the Associated Press's 'no viable path' standard for calling a race differ from the Mississippi Secretary of State's official vote certification process?

AP Call StandardOutcome-certainty, trailing candidate has no viable path [1]
MS County Certification DeadlineNovember 13, 2026 [2][3][4]
Market Probability (AP Call by Nov 14)Approximately 89% (as of Nov 6, 2026) [5]
The Associated Press (AP) calls races based on probable election outcomes. It determines that a trailing candidate lacks any viable path to victory, making its race call informational rather than legally binding [1][6]. For the specific purpose of market resolution, an explicit, definitive winner declaration from the AP is necessary; merely stating a candidate is "projected to win" does not satisfy this criterion [7][5].
Mississippi's official vote certification is a procedural and record-based process. Counties are mandated to canvass and certify all election returns, encompassing eligible late-arriving mail and affidavit ballots, and must submit these certified totals to the Secretary of State by November 13, 2026 [2][3][4]. According to Mississippi Code §23-15-603, these certified county vote totals constitute the final election results, and the Secretary of State is responsible for compiling these returns and declaring the candidate with the highest vote count elected within 30 days of the election [8][9].
Sources (9)
  1. 1Counting on The AP - Status Newsstatus.news
  2. 2Mississippi Secretary of State’s Office Elections Divisionsos.ms.gov
  3. 3OFFICIAL STATEMENT: Election Update | MS SOSsos.ms.gov
  4. 4Election Day Reminders for the 2026 General Election | MS SOSsos.ms.gov
  5. 5When will AP call the Mississippi Senate election? Odds & Predictions 2026kalshi.com
  6. 6Live Updates: Voters hand control of Congress to...pbs.org
  7. 7When will AP call the Mississippi Senate election? - Kalshi Odds | CoinRithmcoinrithm.com
  8. 8Mississippi Code § 23-15-603 (2025) - Delivery of returns to Secretary of State:: 2025 Mississippi Code:: U.S. Codes and Statutes:: U.S. Law:: Justialaw.justia.com
  9. 9Mississippi Code § 23-15-605 (2025) - Ascertainment of vote and declaration of results by Secretary of State; determination of tie vote:: 2025 Mississippi Code:: U.S. Codes and Statutes:: U.S. Law:: Justialaw.justia.com

9. What data on the number of outstanding absentee and affidavit ballots is being reported by Mississippi county election officials post-election?

Lowndes County Affidavit BallotsOver 550 [1]
Hinds County Uncounted VoteAbout 10% (as of Nov 4) [2][3]
Processed Affidavit Ballots (Secretary of State)6,936 (as of Nov 4) [4][5]
County data and initial estimates revealed thousands of outstanding ballots statewide. Lowndes County reported receiving over 550 affidavit ballots [1], while Hinds County, a Democratic stronghold, had approximately 10% of its vote uncounted as of November 4th [2][3]. Statewide estimates for outstanding affidavit ballots varied, with voting rights attorney Lisa Ross estimating between 14,000 and 18,000 across the state by November 6th [2]. The campaign for the Democratic challenger, Scott Colom, estimated between 10,000 and 15,000 affidavit ballots were outstanding as of late November 3rd [6].
Statewide estimates of outstanding ballots varied, with official processing ongoing. Mississippi Republican Party Chairman Mike Hurst suggested there could be as many as 20,000 total outstanding ballots statewide, encompassing mail-ins, absentees, and affidavits. Hurst described an estimated 17,000 affidavit ballots as "abnormal" for the state [2][7]. The Secretary of State's office reported that 6,936 affidavit ballots had been processed by November 4th, with an "unknown number" still pending processing [4][5].
Final ballot receipt and certification deadlines approach for election officials. Outstanding ballots postmarked by Election Day must be received by November 10th [3][1][8][5]. Subsequently, county election officials are required to certify their results by November 13th [9][10][8][5].
Sources (10)
  1. 1cdispatch.com
  2. 2desotocountynews.com
  3. 3mpbonline.org
  4. 4mississippifreepress.org
  5. 5ms.govsos.ms.gov
  6. 6democracydocket.com
  7. 7democracydocket.com
  8. 8mpbonline.org
  9. 9washingtonpost.com
  10. 10globalwirenow.com

10. What potential legal challenges could the Colom or Hyde-Smith campaigns raise, and how might litigation delay the AP's call?

AP call not made as ofNov 5-6, 2026 [1]
Deadline for processing mail-in absentee ballotsNov 10 [2]
Probability of AP call before Nov 1168% [1][3][4][5][6]
Campaigns are initiating legal challenges over affidavit ballot processing. The Hyde-Smith campaign has formally requested the separation and preservation of affidavit ballots, citing Mississippi Code § 23-15-911, as a preliminary step toward contesting ballot eligibility. In response, the Colom campaign has asserted that this demand is 'unlawful and extraordinary,' lacks a sound legal basis, and infringes upon both voter privacy and the Equal Protection Clause, referencing Mississippi Code § 23-15-573 for standard affidavit processing procedures [7][8][9]. Mississippi state law does not provide for an automatic recount, meaning any formal challenge or recount would require a lawsuit to secure a court order. Both campaigns have accordingly deployed significant legal teams and resources across the state in preparation for potential litigation [2][10][11][12][13][14].
Litigation could significantly delay the AP's election call. Litigation is poised to significantly prolong the Associated Press's (AP) election call due to Mississippi law's mandate for ballot challenges to proceed on a county-by-county rather than a statewide basis [2][15][16]. This fragmented approach is anticipated to create a 'disjointed, chaotic process' that would be heard by state judges on an expedited schedule, with potential appeals reaching the Mississippi Supreme Court. Such an extended legal process could lengthen the AP call timeline by days or even weeks [2][10][11][15][16]. As of November 5-6, 2026, the AP has not called the race [1], and prediction markets indicate considerable uncertainty regarding the duration of litigation delays. Additionally, the statutory deadline for processing mail-in absentee ballots on November 10 represents a crucial upcoming milestone [2].
Sources (16)
  1. 1When will AP call the Mississippi Senate election? Odds & Predictions - Public.compublic.com
  2. 2Colom v Hyde-Smith: What's next in the Mississippi Senate...mississippitoday.org
  3. 3When will AP call the Mississippi Senate election? - Kalshi Odds | CoinRithmcoinrithm.com
  4. 4When will AP call the Mississippi Senate election? (Nov 3, 2026 election): Odds, Chart & News | 4Search Predictions4search.com
  5. 5When will AP call the Mississippi Senate election? Odds & Predictions 2026kalshi.com
  6. 6When will AP call the Mississippi Senate election? | PredictPediapredictpedia.com
  7. 7Colom Campaign in Mississippi Senate Race Pushes Back...electionlawblog.org
  8. 8Colom campaign says GOP seeks to 'violate Mississippi...democracydocket.com
  9. 9Colom campaign calls Hyde-Smith's affidavit ballot...wlox.com
  10. 10What races the AP has not yet called in contests for Senate...wreg.com
  11. 11Mississippi has an unexpectedly close Senate race but no...google.com
  12. 12Mississippi Senate race could head to courtguampdn.com
  13. 13The fight is growing over ballot counting in Mississippi's...google.com
  14. 14Mississippi GOP Chair Mike Hurst: "There Is No Election...google.com
  15. 15Why Alaska and Mississippi Senate results could take days...google.com
  16. 16Alaska and Mississippi Senate Races: Why They're Uncalledgoogle.com

11. What Could Change the Odds

Key Catalysts

The Associated Press (AP) had not called Mississippi’s Senate race as of November 5, 2026; AP stated it calls only when no scenario remains for the trailing candidate to close the gap [1][2][3]. The latest cited AP-linked count places Scott Colom ahead of Cindy Hyde-Smith by 1,813 votes, with 96% of expected vote reported; the race remained officially uncalled [4][2][5][6]. Prediction markets show an implied probability for Colom of approximately 97–98% after the count developed, but this constitutes an outcome estimate, not evidence of an AP call [7][8][9].
The key near-term deadline is November 10, 2026, when eligible postmarked mail ballots must be received, and voter-ID affidavit-ballot issues resolved [3][10][11]. Mississippi counties must submit certified general-election returns to the Secretary of State by November 13, 2026; this date represents the strongest fixed-date catalyst for an AP call [10][11]. For a timing market, the cleanest base-case forecast is an AP call after November 10 and around the November 13 certification deadline; an earlier call remains possible if outstanding-ballot math becomes decisive [1][2][3][10][11][12].
Mississippi has no automatic recount process [1][13][3][14]. A losing candidate may pursue a court challenge, which presents a meaningful delay and reversal risk rather than a routine recount trigger [1][13][3][14].

Key Dates & Catalysts

  • Strike Date: November 03, 2026
  • Expiration: November 12, 2026
  • Closes: January 04, 2027
Sources (14)
  1. 1Senate, governor races not yet called by The Associated Press | AP Newsapnews.com
  2. 2Thursday: What races AP has not yet called - Mississippi Todaymississippitoday.org
  3. 3Races AP hasn't called yet in contests for Senate and governor | AP Newsapnews.com
  4. 42026 Mississippi Midterm Election Results | AP Newsapnews.com
  5. 5Mississippi Election Results 2026: Live Updates: NPRnpr.org
  6. 6Mississippi U.S. Senate Midterm Election 2026: Live Resultsnbcnews.com
  7. 7https://polymarket.com/event/mississippi-senate-election-winnerpolymarket.com
  8. 8Prediction markets have $35 million in bets on Mississippi Senate raceclarionledger.com
  9. 9Mississippi Senate Odds Flip From 7% to 97% for Scott Colomelectionodds.com
  10. 10OFFICIAL STATEMENT: Election Update | MS SOSsos.ms.gov
  11. 11Mississippi Secretary of State’s Office Elections Divisionsos.ms.gov
  12. 12When will AP call the Mississippi Senate election? Odds & Predictions - Public.compublic.com
  13. 133rd place Mississippi Senate candidate says he did not spoil tight race for Democrat - ABC Newsabcnews.com
  14. 14Live Mississippi Senate election results: Hyde-Smith, Colom still closeusatoday.com

13. Related News

14. Historical Resolutions

Historical Resolutions: 2 markets in this series

Outcomes: 0 resolved YES, 2 resolved NO

Recent resolutions:

  • KXAPCALLMSSEN-26NOV04-NOV061200A: NO (Nov 06, 2026)
  • KXAPCALLMSSEN-26NOV04-NOV051200A: NO (Nov 05, 2026)