KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
No 80%
Market quality
65 / 100
Medium quality24h Volume
$202.4
Liquidity
$9.3K
Medium liquidityBid / Ask
19.0% / 21.0%
Spread
2.0 pt
Tight spreadMarket data
Updated 3 minutes ago
Feb 17, 26, 3:00 PM UTCJan 1, 27, 3:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If a boxing match between Mike Tyson and Floyd Mayweather occurs before Jan 1, 2027, then the market resolves to Yes.
- For the purposes of this market, a “boxing match” is defined as an in-ring combat sporting event in which Mike Tyson and Floyd Mayweather Jr. compete against each other under boxing rules.
- The bout may be professional, exhibition, officially sanctioned, or unsanctioned, provided:
- Both individuals are the named participants,
- The fight begins (i.e., the opening bell sounds for Round 1).
- If a fight is announced or scheduled but is postponed, canceled, declared a no-contest before the opening bell, or otherwise does not begin before Jan 1, 2027, the market resolves to “No.”
Open markets
Combat SportsKALSHIRyan Garcia vs Conor Benn
- Ryan Garcia68.6%
- Conor Benn31.4%
- Total Vol
- $850.1K
- 24h Vol
- $134.3K
KALSHIFight Night: Fiorot vs Grasso
- Manon Fiorot68.6%
- Alexa Grasso31.4%
- Total Vol
- $18.7K
- 24h Vol
- $18.7K
KALSHI331: Van vs Pantoja
- Joshua van52.5%
- Alexandre Pantoja47.5%
- Total Vol
- $69.8K
- 24h Vol
- $17.4K
KALSHIFight Night: McMillen vs Rahiki
- Tommy McMillen60.8%
- Marwan Rahiki39.2%
- Total Vol
- $15.8K
- 24h Vol
- $15.8K
KALSHI331: Moicano vs Ortega
- Renato Moicano-1.0pt63.4%
- Brian Ortega+1.0pt36.6%
- Total Vol
- $14.5K
- 24h Vol
- $13.4K
KALSHIFight Night: Aldrich vs Tarin
- Regina Tarin71.3%
- Jj Aldrich28.7%
- Total Vol
- $11.2K
- 24h Vol
- $11.2K
- Fight Night: Silva vs Delgado
- Heavyweight Title on Dec 31, 2026?
- Will Donald Trump attend UFC 331?
- 331: Tsarukyan vs Ruffy
- Canelo Alvarez vs Christian Mbilli
- Lightweight Title Holder on Dec 31, 2026?
- 331: Steveson vs Sharaf
- 331: Tuivasa vs Despaigne
- Mayweather vs Pacquiao
- Noche UFC: Tim Elliott vs. Édgar Cháirez (Flyweight, Prelims)
- Fight Night: Cortes-Acosta vs Blaydes
- Fight Night: Moreno vs Morales
Frequently asked questions
- What are the current odds for Mike Tyson and Floyd Mayweather to Fight in 2026?
- Kalshi prices No at 80% as of September 9, 2026.
- When does Mike Tyson and Floyd Mayweather to Fight in 2026 resolve?
- Mike Tyson and Floyd Mayweather to Fight in 2026 is scheduled to resolve on January 1, 2027.
- How is Mike Tyson and Floyd Mayweather to Fight in 2026 settled?
- Kalshi settles this market as follows: If a boxing match between Mike Tyson and Floyd Mayweather occurs before Jan 1, 2027, then the market resolves to Yes.