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Contract OI history

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Oct 30, 2026 EXPIRATION

CIFR $17.50 Call

CIFR261030C00017500

Latest saved OI514Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $17.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6863430 2026-10-09: 518 OI2026-10-13: 686 OI2026-10-14: 686 OI2026-10-15: 652 OI2026-10-16: 652 OI2026-10-21: 512 OI2026-10-23: 514 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, 2026Viewing514+2
Oct 21, 2026512-140
Oct 16, 20266520
Oct 15, 2026652-34
Oct 14, 20266860
Oct 13, 2026686+168
Oct 09, 2026518No prior observation