SettleMath

Kalshi Bitcoin 15-minute market, Oct 18, 10:45 PM CT: settled Down

This market settled Down, not close: Bitcoin’s 60-second average at the close was $61.83 below the strike.

Window10:30 PM to 10:45 PM CT, Sunday, October 18, 2026
Strike (the price it had to beat)$82,488.36
Settlement value (the official index’s 60-second average at the close)$82,426.53
ResultDown: below the strike by $61.83
Contracts traded3,658,663

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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.