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Contract OI history

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Jun 16, 2028 EXPIRATION

CIFR $20.00 Put

CIFR280616P00020000

Latest saved OI236Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CIFR $20.00 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. 2841420 2026-10-09: 284 OI2026-10-13: 237 OI2026-10-14: 237 OI2026-10-15: 234 OI2026-10-16: 236 OI2026-10-21: 236 OI2026-10-23: 236 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, 2026Viewing2360
Oct 21, 20262360
Oct 16, 2026236+2
Oct 15, 2026234-3
Oct 14, 20262370
Oct 13, 2026237-47
Oct 09, 2026284No prior observation