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Contract OI history

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Mar 19, 2027 EXPIRATION

CIFR $9.00 Put

CIFR270319P00009000

Latest saved OI797Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $9.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8004000 2026-10-09: 312 OI2026-10-13: 460 OI2026-10-14: 460 OI2026-10-15: 515 OI2026-10-16: 571 OI2026-10-21: 800 OI2026-10-23: 797 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CIFR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing797-3
Oct 21, 2026800+229
Oct 16, 2026571+56
Oct 15, 2026515+55
Oct 14, 20264600
Oct 13, 2026460+148
Oct 09, 2026312No prior observation