Short Answer

Both the model and the market overwhelmingly agree that California is most likely to redistrict before the midterms, with only minor residual uncertainty.

1. Executive Verdict

  • Louisiana's federally struck-down map poses a significant redraw threat.
  • Ohio's current congressional map appears vulnerable to legal challenges.
  • Florida's existing map remains challenged by a state-level lawsuit.
  • The Supreme Court confirmed Texas's congressional map for 2026.
  • California's redistricting map appears stable, avoiding immediate legal challenges.

Who Wins and Why

Outcome Market Model Why
Virginia 59.0% 39.7% No specific redistricting catalyst was identified in the provided research.
California 98.4% 98.7% No specific redistricting catalyst was identified in the provided research.
Louisiana 91.4% 92.7% No specific redistricting catalyst was identified in the provided research.
New York 7.9% 2.2% No specific redistricting catalyst was identified in the provided research.
Missouri 73.0% 73.3% No specific redistricting catalyst was identified in the provided research.

Current Context

Eight states had congressional maps finalized for the 2026 midterms by May 2026. As of May 2026, seven states—California, Florida, Missouri, North Carolina, Ohio, Texas, and Utah—had their congressional maps finalized or ready for the upcoming elections. Virginia’s map also became part of this set, deemed in effect following voter approval [^][^].
Virginia's congressional map became effective following voter approval in April 2026. The state's congressional redistricting came into effect after a voter-approved amendment on April 21, 2026. This action integrated Virginia's map into the 2026 midterm electoral landscape, despite earlier attempts at certification having been blocked [^].
Texas' congressional map was cleared by the Supreme Court in April 2026. The newly redrawn congressional map for Texas received clearance for use in the 2026 midterms following an action by the U.S. Supreme Court, which was reported on April 27, 2026 [^].

2. Market Behavior & Price Dynamics

Historical Price (Probability)

Outcome probability
Date
This prediction market has been characterized by a stable, sideways trend within a very narrow trading range. The probability of a "YES" outcome has remained exceptionally low, fluctuating between 1.0% and a peak of 8.2%. For most of its recent history, the price has hovered in the high single digits. The most significant movement was a brief spike to the market's high of 8.2% around the beginning of May, after which the price settled slightly lower to its current level of 7.2%. This general stability suggests a strong consensus among traders about the low likelihood of the event in question occurring.
The market's persistently low valuation appears to be grounded in the provided context. With news reports indicating that eight states had already finalized their congressional maps for the midterms by May, traders have likely priced in the belief that most, if not all, expected redistricting has already concluded. The sub-10% probability suggests the market is pricing a small chance that one or more additional states with ongoing legal or political disputes will complete the process before the deadline. The minor price rally to 8.2% in early May does not correlate with a specific development mentioned in the context but may reflect a temporary increase in speculation about an outstanding state's prospects.
Overall market sentiment is decidedly bearish on a "YES" outcome. The price ceiling of 8.2% has acted as a clear resistance level, capping upside movement. The total trading volume of over 11,000 contracts indicates a moderate level of interest over the market's lifespan, but the lack of significant price swings points to a firm conviction in the low probability. The chart reflects a market that is not anticipating any surprising developments and believes the conditions for a "YES" resolution are highly unlikely to be met.

3. Market Data

View on Kalshi →

Contract Snapshot

A "Yes" resolution occurs if South Carolina formally adopts and enacts new congressional district maps for the 2026 elections that are in effect and not fully enjoined or struck down by November 1, 2026. Conversely, "No" resolves if no new maps are adopted by this date, or if maps are completely redrawn by a court or withdrawn by the legislature before implementation. The market opened on August 6, 2025, and will close by November 1, 2026, at 12:59 AM EDT.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
California $0.98 $0.04 98%
Texas $0.98 $0.05 98%
Ohio $0.95 $0.08 95%
North Carolina $0.94 $0.06 94%
Louisiana $0.91 $0.09 91%
Tennessee $0.92 $0.10 91%
Florida $0.85 $0.16 85%
Alabama $0.74 $0.29 76%
Missouri $0.73 $0.28 73%
South Carolina $0.63 $0.39 65%
Virginia $0.62 $0.41 59%
Mississippi $0.23 $0.80 24%
Utah $0.17 $0.84 17%
Georgia $0.10 $0.91 10%
Kansas $0.11 $0.96 10%
Illinois $0.07 $0.94 9%
New Jersey $0.10 $0.95 9%
Nebraska $0.13 $0.94 8%
Washington $0.08 $0.96 8%
New York $0.08 $0.93 8%
Indiana $0.08 $0.94 7%
Wisconsin $0.07 $0.96 7%
Maryland $0.06 $0.96 7%
Minnesota $0.07 $0.98 3%
Arizona $0.14 $0.95 0%

Market Discussion

Traders are primarily discussing the redistricting prospects of Utah and South Carolina, in addition to the states with listed probabilities (Missouri, South Carolina, Virginia). A key argument for "Yes" on Utah stems from it being court-ordered to redistrict, but this is countered by arguments that the market rules explicitly state court-drawn maps will resolve to "No." Traders are also pointing out potential arbitrage opportunities for Utah and South Carolina between Kalshi and other platforms.

4. Which ongoing court cases in states like New York, Florida, or Louisiana pose the most credible threat to existing congressional maps before the 2026 midterms?

Louisiana Congressional Map StatusStruck down as unconstitutional racial gerrymander (Louisiana v. Callais, April 29, 2026) [^]
Florida Map Legal ChallengesMultiple lawsuits filed in May 2026 seeking to block the newly signed map [^][^][^]
New York NY-11 RedrawState trial court ordered redraw on January 21, 2026, but U.S. Supreme Court blocked it for 2026 cycle [^][^][^]
Louisiana faces a significant threat due to its federally struck-down congressional map. On April 29, 2026, the U.S. Supreme Court, in Louisiana v. Callais, invalidated Louisiana's existing congressional map, ruling it an unconstitutional racial gerrymander. This decision had immediate effect, mandating the state to redraw its map in time for the 2026 elections. Further litigation has also been initiated concerning Louisiana's suspension of the May 16 House primaries [^][^][^].
Florida's new congressional map faces multiple legal challenges before 2026. Florida's recently enacted 2026 congressional map, signed by Governor Ron DeSantis, is now the subject of several lawsuits filed in May 2026. These legal actions seek to block the implementation of the new map, requesting court injunctions to reinstate the previous map for the 2026 elections. Plaintiffs in these cases cite Florida's Fair Districts Amendment as their legal basis [^][^][^].
New York's district redraw was blocked by the U.S. Supreme Court. In New York, a state trial court on January 21, 2026, declared the NY-11 district unconstitutional and mandated a redraw on an expedited timeline. However, the U.S. Supreme Court subsequently intervened, blocking this redraw for the 2026 election cycle while the underlying case proceeds through the state appeals process [^][^][^].

5. What is the legal status of Ohio's congressional map, and what precedents from the Ohio Supreme Court suggest it could be challenged before 2026?

Operative Map AdoptionOctober 2025 (for 2026 election cycle) [^][^]
Basis for ChallengeConstitutional standards against partisan favor or disfavor [^]
Remedial Process MandateOhio Constitution mandates remedial process for invalid plans [^]
Ohio's 2026 congressional map is currently the operative redistricting plan. The Ohio Redistricting Commission adopted new congressional districts for the 2026 election cycle in October 2025, and this map serves as the current operative plan, as indicated by the Ohio Secretary of State’s District Maps page [^][^].
Ohio Supreme Court precedents provide grounds for challenging the map's constitutionality. Precedents suggest that this map could be challenged for violating constitutional constraints. The court's decision in League of Women Voters of Ohio v. Ohio Redistricting Commission established constitutional standards for redistricting, specifically rules against partisan favor or disfavor, which can be used to argue that a congressional map violates Ohio’s constitutional requirements [^]. Furthermore, in Neiman v. LaRose, the Ohio Supreme Court discussed that if a congressional district plan is deemed invalid, the Ohio Constitution mandates a remedial process, including specific timing for action by the General Assembly or commission, implying courts can order remedial plans if constitutional defects are found [^].
Litigation concerning congressional maps faces dismissal if their effective duration concludes. The Ohio Supreme Court has dismissed congressional redistricting litigation in instances where the map’s duration was effectively running out. This demonstrates that the timing of a challenge and the specific elections for which a map is in effect can be outcome-determinative in pre-election challenges [^].

6. How do the redistricting processes in California versus Florida affect their respective vulnerabilities to court-ordered redraws before 2026?

California Map Supreme Court DecisionFebruary 4, 2026 [^][^][^][^]
Florida Lawsuits FiledMay 4-6, 2026 [^][^][^][^]
California Map Stability Likelihood97% [^]
California's redistricting map appears stable, avoiding immediate legal challenges before 2026. The state's process, governed by Proposition 50, which passed in November 2025, led to legislature-drawn maps certified in December 2025 [^][^]. The map's stability was further reinforced when the US Supreme Court denied an emergency appeal from the California GOP on February 4, 2026, thereby allowing the Proposition 50 map to be utilized for the 2026 elections [^][^][^][^].
In contrast, Florida's redistricting process faces significant legal challenges and uncertainty. Florida's new map was passed by the Senate 21-17 and the House 83-28 in April 2026, then signed into law around May 4-6, 2026 [^][^]. However, this new map is now the subject of three or more lawsuits, filed between May 4-6, 2026, by various groups including Equal Ground and Common Cause. These lawsuits primarily seek an injunction under the Fair Districts Amendment [^][^][^][^].
Prediction markets reflect differing confidence in map stability between the two states. Data indicates a 97% likelihood that California's new map will be in effect by the deadline, suggesting strong confidence in its legal standing. Conversely, for Florida, the prediction market shows a lower 70% likelihood that its new map will be in effect without a court-ordered redraw by the deadline, highlighting the ongoing legal uncertainties [^].

7. What datasets from the Brennan Center or Princeton Gerrymandering Project indicate which states' current maps are most at risk of being overturned before 2026?

States with maps redrawn by court order13 states this decade [^]
Alabama map court decisionMay 8, 2025 (violating Section 2 of the Voting Rights Act) [^][^]
Wisconsin legislative maps struck downDecember 2023 [^][^]
Redistricting maps in several states face overturns or pending legal challenges. This decade, maps in 13 states have already been redrawn due to litigation [^]. Several states, including Alabama, Georgia, Utah, and Wisconsin, had their maps at risk of being overturned or had already been overturned by court order before 2026, with appeals or cases still pending [^][^][^][^][^]. Additionally, Florida, California, and New York were affected by legal challenges or expressed support for redrawing maps [^][^][^][^][^].
Court orders have already mandated map changes in several states. For example, Alabama's 2023 map was ruled to violate Section 2 of the Voting Rights Act in a May 8, 2025, decision, prompting the Governor to call for a special legislative session [^][^]. In Georgia, congressional and legislative maps were redrawn by court order, and an appeal regarding the approval of these new maps was pending as of December 2025 [^][^]. The Utah Supreme Court sent a partisan gerrymandering case back to a lower court in December 2023 [^]. Furthermore, Wisconsin's legislative maps were struck down by the state's Supreme Court in December 2023, following lawsuits filed in August 2023 [^][^]. Florida also faced claims of unconstitutional racial gerrymanders, and its Governor supported redrawing maps in August 2025 [^][^].
The Princeton Gerrymandering Project assesses maps for inherent risks. Its "Redistricting Report Card" provides a method to identify maps prone to challenges by grading them on factors like partisan fairness and competitiveness [^]. While the specific states identified by this project as most at risk of being overturned before 2026 are not detailed in the provided information, an April 2026 report did give Illinois congressional maps failing grades in these categories [^].

8. What evidence from the recent Supreme Court ruling confirms the finality of Texas's congressional map for the 2026 election cycle?

Supreme Court Decision DateApril 27, 2026 [^]
Texas Congressional Map SignedAugust 2025 [^][^][^][^]
Supreme Court Vote6-3 [^][^][^][^]
The Supreme Court confirmed Texas's congressional map for the 2026 election. The Court formally overturned a lower court's decision that had previously blocked the map, thereby clearing the way for its use in the upcoming midterms [^][^][^][^][^]. This reversal ensures the map, which was signed into law in August 2025, remains in effect for the 2026 midterms, maintaining the status quo [^][^][^][^].
The Court's 6-3 decision rejected racial gerrymandering claims. This was despite a lower court's finding of "substantial evidence" of such practices [^][^][^][^]. Justices Elena Kagan, Sonia Sotomayor, and Ketanji Brown Jackson dissented from the Supreme Court's ruling [^][^][^]. The Court's decision was issued on April 27, 2026, allowing the map to proceed [^].
The 2026 election cycle will use the existing map. The election season is already "well underway with the map drawn last year," underscoring the ruling's immediate impact and finality for this cycle [^][^]. While some legal challenges regarding racial vote dilution claims related to the Texas map may continue beyond 2026, the Supreme Court's decision confirms the current congressional map will be utilized for the 2026 midterms [^].

9. What Could Change the Odds

Key Catalysts

Eight states, including California, Florida, Missouri, North Carolina, Ohio, Texas, Utah, and Virginia, have new congressional district maps ready for the November 2026 midterms [^][^][^].
Texas ’ newly redrawn congressional map was cleared for use in the 2026 midterms after a U.S. Supreme Court ruling on April 27, 2026 [^]. Virginia ’s redistricting plan timing for 2026 hinged on voters approving the enabling constitutional amendment on April 21, 2026 [^].
Florida ’s congressional redistricting advanced through a special session in late April 2026 and was reported as signed into law in early May 2026, with the map intended to boost Republican seats [^][^][^].

Key Dates & Catalysts

  • Expiration: November 08, 2026
  • Closes: November 01, 2026

10. Decision-Flipping Events

  • Trigger: Eight states, including California, Florida, Missouri, North Carolina, Ohio, Texas, Utah, and Virginia, have new congressional district maps ready for the November 2026 midterms [^] [^] [^] .
  • Trigger: Texas ’ newly redrawn congressional map was cleared for use in the 2026 midterms after a U.S.
  • Trigger: Supreme Court ruling on April 27, 2026 [^] .
  • Trigger: Virginia ’s redistricting plan timing for 2026 hinged on voters approving the enabling constitutional amendment on April 21, 2026 [^] .

12. Historical Resolutions

No historical resolution data available for this series.