Antecedent (if this happens)
KXPGAR1LEAD-THOC26-BKOE
Will Brooks Koepka lead at the end of Round 1 in the The Open Championship?
Series: KXPGAR1LEAD
Entity: Brooks Koepka
Expiration: 2026-08-02T04:00:00Z
Volume: 14375
YES ask: 0.0120
NO ask: 0.9890
Last: 0.0120
View on Kalshi
Rules
If Brooks Koepka is the leader at the end of Round 1 in the 2026 The Open Championship, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXPGATOP40-THOC26-BKOE
The Open Championship: Will Brooks Koepka finish top 40?
Series: KXPGATOP40
Entity: Brooks Koepka
Expiration: 2026-08-02T04:00:00Z
Volume: 525
YES ask: 0.3300
NO ask: 0.9700
Last: 0.3400
View on Kalshi
Rules
If Brooks Koepka finishes in the top 40 (including ties) in the 2026 The Open Championship, then the market resolves to Yes.
Confidence: none
Model: claude-sonnet-5
Screened: 2026-07-14T08:00:36Z
Code version: ecbe685
Reasoning: [structural reuse of KXPGAR1LEAD-THOC26-JROS/KXPGATOP40-THOC26-JROS] Leading after Round 1 does not guarantee a top40 finish due to possible collapse or withdrawal.
Strategy: Buy NO on antecedent + YES on consequent
Est. yield (after fees):
-99.80%
(negative yield)
Cost:
$1.3190
+ ~$0.0162 est. fees
Days to maturity:
17
Hurdle yield:
4.23%
Excess yield:
-104.03%
BELOW HURDLE