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Contract OI history

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Dec 18, 2026 EXPIRATION

CIFR $6.00 Put

CIFR261218P00006000

Latest saved OI344Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $6.00 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. 3441720 2026-10-09: 156 OI2026-10-13: 166 OI2026-10-14: 166 OI2026-10-15: 162 OI2026-10-16: 162 OI2026-10-21: 334 OI2026-10-23: 344 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, 2026Viewing344+10
Oct 21, 2026334+172
Oct 16, 20261620
Oct 15, 2026162-4
Oct 14, 20261660
Oct 13, 2026166+10
Oct 09, 2026156No prior observation