Antecedent (if this happens)
KXATPGRANDSLAM-26-FTIA
Will Frances Tiafoe win a Tennis Grand Slam in 2026?
Series: KXATPGRANDSLAM
Entity: Frances Tiafoe
Expiration: 2026-12-31T15:00:00Z
Volume: 556
YES ask: 0.0900
NO ask: 1.0000
Last: 0.0100
View on Kalshi
Rules
If Frances Tiafoe wins a tennis major (the Australian Open, the U.S. Open, the French Open, or Wimbledon) before Dec 31, 2026, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXATPMATCH-26APR05ATMTIA-TIA
Will Frances Tiafoe win the Atmane vs Tiafoe : Round Of 64 match?
Series: KXATPMATCH
Entity: Frances Tiafoe
Expiration: 2026-04-05T12:00:00Z
Volume: 4054
YES ask: 0.5700
NO ask: 0.4500
Last: 0.5700
View on Kalshi
Rules
If Frances Tiafoe wins the Atmane vs Tiafoe professional tennis match in the 2026 ATP Monte Carlo Round Of 64 after a ball has been played, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-4-6
Screened: 2026-04-05T08:01:52Z
Reasoning: Winning a Grand Slam in 2026 does not require winning a Monte Carlo Round of 64 match, and winning that Monte Carlo match does not imply winning a Grand Slam. These are entirely separate competitions.
Strategy: Buy NO on antecedent + YES on consequent
Yield:
-53.84%
(negative yield)
Cost:
$1.5700
Days to maturity:
213
Hurdle yield:
4.28%
Excess yield:
-58.12%
BELOW HURDLE