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Contract OI history

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Nov 27, 2026 EXPIRATION

CIFR $13.00 Put

CIFR261127P00013000

Latest saved OI197Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $13.00 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. 197980 2026-10-09: 2 OI2026-10-13: 62 OI2026-10-14: 62 OI2026-10-15: 63 OI2026-10-16: 124 OI2026-10-21: 181 OI2026-10-23: 197 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, 2026Viewing197+16
Oct 21, 2026181+57
Oct 16, 2026124+61
Oct 15, 202663+1
Oct 14, 2026620
Oct 13, 202662+60
Oct 09, 20262No prior observation