SettleMath

Kalshi Bitcoin 15-minute market, Oct 18, 4:30 PM CT: settled Down

This market settled Down, not close: Bitcoin’s 60-second average at the close was $56.77 below the strike.

Window4:15 PM to 4:30 PM CT, Sunday, October 18, 2026
Strike (the price it had to beat)$80,931.11
Settlement value (the official index’s 60-second average at the close)$80,874.34
ResultDown: below the strike by $56.77
Contracts traded3,297,263

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Up wins when the official index’s average over the final 60 seconds is at or above the strike. How the settlement works.