SettleMath

Kalshi Bitcoin 15-minute market, Oct 18, 5:15 PM CT: settled Up

This market settled Up, not close: Bitcoin’s 60-second average at the close was $413.90 above the strike.

Window5:00 PM to 5:15 PM CT, Sunday, October 18, 2026
Strike (the price it had to beat)$81,132.06
Settlement value (the official index’s 60-second average at the close)$81,545.96
ResultUp: above the strike by $413.90
Contracts traded3,352,366

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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.