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Contract OI history

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Mar 19, 2027 EXPIRATION

CIFR $8.00 Put

CIFR270319P00008000

Latest saved OI792Oct 23, 2026
Last change+311vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $8.00 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. 7923960 2026-10-09: 120 OI2026-10-13: 390 OI2026-10-14: 390 OI2026-10-15: 461 OI2026-10-16: 479 OI2026-10-21: 481 OI2026-10-23: 792 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, 2026Viewing792+311
Oct 21, 2026481+2
Oct 16, 2026479+18
Oct 15, 2026461+71
Oct 14, 20263900
Oct 13, 2026390+270
Oct 09, 2026120No prior observation