Antecedent (if this happens)
KXATP1RANK-26DEC31-CALC
Who will be the #1 ranked ATP men's singles player on Dec 31, 2026?
Series: KXATP1RANK
Entity: Carlos Alcaraz
Expiration: 2026-12-31T17:00:00Z
Volume: 13844
YES ask: 0.0500
NO ask: 1.0000
Last: 0.0500
View on Kalshi
Rules
If Carlos Alcaraz 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)
KXATPCOMPETE-26USOALC-ALC
Will Carlos Alcaraz compete in the 2026 US Open men's singles tennis tournament?
Series: KXATPCOMPETE
Entity: Carlos Alcaraz
Expiration: 2026-09-30T14:00:00Z
Volume: 2247
YES ask: 0.8400
NO ask: 0.1700
Last: 0.8400
View on Kalshi
Rules
If Carlos Alcaraz competes in the 2026 US Open men's singles tennis tournament, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-5
Screened: 2026-07-15T08:00:46Z
Code version: ecbe685
Reasoning: Being #1 ranked at year end doesn't require competing in the US Open, nor vice versa.
Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees):
-73.71%
(negative yield)
Cost:
$1.8400
+ ~$0.0094 est. fees
Days to maturity:
168
Hurdle yield:
4.44%
Excess yield:
-78.15%
BELOW HURDLE