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Contract OI history

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Mar 19, 2027 EXPIRATION

CIFR $15.00 Put

CIFR270319P00015000

Latest saved OI312Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $15.00 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. 3251620 2026-10-09: 280 OI2026-10-13: 303 OI2026-10-14: 303 OI2026-10-15: 306 OI2026-10-16: 325 OI2026-10-21: 325 OI2026-10-23: 312 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, 2026Viewing312-13
Oct 21, 20263250
Oct 16, 2026325+19
Oct 15, 2026306+3
Oct 14, 20263030
Oct 13, 2026303+23
Oct 09, 2026280No prior observation