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: 5240
YES ask: 0.9100
NO ask: 0.1000
Last: 0.9100
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)
KXATPFINALSQUAL-26NIT-SIN
Will Jannik Sinner qualify for the Nitto ATP Singles Finals?
Series: KXATPFINALSQUAL
Entity: Jannik Sinner
Expiration: 2026-11-15T15:00:00Z
Volume: 1683
YES ask: 0.9800
NO ask: 0.0400
Last: 0.9600
View on Kalshi
Rules
If Jannik Sinner qualifies for the 2026 Nitto ATP Singles Finals, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-5
Screened: 2026-07-12T08:01:59Z
Code version: N/A
Reasoning: Being #1 on Dec 31 does not logically guarantee having qualified for the Finals earlier in the season (rankings could shift after the Finals cutoff), and qualifying for the Finals doesn't guarantee being #1 at year end.
Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees):
-16.69%
(negative yield)
Cost:
$1.0800
+ ~$0.0077 est. fees
Days to maturity:
168
Hurdle yield:
4.44%
Excess yield:
-21.13%
BELOW HURDLE