Antecedent (if this happens)
KXATP1RANK-26DEC31-JSIN
Who will be the #1 ranked ATP men's singles player on Dec 31, 2026?
Series: KXATP1RANK
Entity: Jannik Sinner
Expiration: 2026-12-31T17:00:00Z
Volume: 3337
YES ask: 0.9600
NO ask: 0.9900
Last: 0.9400
View on Kalshi
Rules
If Jannik Sinner is the #1 ranked on the PIF ATP singles rankings on Dec 31, 2026 at 12:00 PM ET, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXMCMMEN-26-JSIN
Will Jannik Sinner win the ATP Monte-Carlo Masters?
Series: KXMCMMEN
Entity: Jannik Sinner
Expiration: 2026-04-12T23:00:00Z
Volume: 26192
YES ask: 0.5200
NO ask: 0.4900
Last: 0.5200
View on Kalshi
Rules
If Jannik Sinner wins the 2026 ATP Monte-Carlo Masters professional tennis tournament, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-4-6
Screened: 2026-04-07T08:02:04Z
Reasoning: Being year-end #1 does not require winning Monte Carlo, and winning Monte Carlo does not guarantee year-end #1. These are correlated but neither logically necessitates the other.
Strategy: Buy NO on antecedent + YES on consequent
Yield:
-50.49%
(negative yield)
Cost:
$1.5100
Days to maturity:
214
Hurdle yield:
4.28%
Excess yield:
-54.77%
BELOW HURDLE