Antecedent (if this happens)
KXPGATOP5-MAST26-BKOE
Masters Tournament: Will Brooks Koepka finish top 5?
Series: KXPGATOP5
Entity: Brooks Koepka
Expiration: 2026-04-12T23:00:00Z
Volume: 104313
YES ask: 0.0600
NO ask: 0.9500
Last: 0.0600
View on Kalshi
Rules
If Brooks Koepka finishes in the top 5 (including ties) in the 2026 Masters Tournament, then the market resolves to Yes.
Consequent (then it means this happened or will happen)
KXPGATOP20-MAST26-BKOE
Masters Tournament: Will Brooks Koepka finish top 20?
Series: KXPGATOP20
Entity: Brooks Koepka
Expiration: 2026-04-13T02:00:00Z
Volume: 135268
YES ask: 0.6300
NO ask: 0.4100
Last: 0.6300
View on Kalshi
Rules
If Brooks Koepka finishes in the top 20 (including ties) in the 2026 Masters Tournament, then the market resolves to Yes.
Confidence: high
Model: claude-sonnet-4-6
Screened: 2026-04-03T08:01:34Z
Reasoning: Finishing top 5 necessarily means finishing top 20 (top 5 is a subset of top 20). The reverse does not hold: top 20 does not guarantee top 5.
Strategy: Buy NO on antecedent + YES on consequent
Yield:
N/A
Cost:
$1.5800
Days to maturity:
N/A
Hurdle yield:
N/A
Excess yield:
N/A