OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BMNR $40.00 Put

BMNR270115P00040000

Latest saved OI2,878Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BMNR $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,8821,4410 2026-10-02: 2,859 OI2026-10-05: 2,858 OI2026-10-06: 2,856 OI2026-10-07: 2,857 OI2026-10-08: 2,857 OI2026-10-09: 2,827 OI2026-10-13: 2,825 OI2026-10-14: 2,825 OI2026-10-15: 2,778 OI2026-10-16: 2,725 OI2026-10-21: 2,882 OI2026-10-23: 2,878 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BMNR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,878-4
Oct 21, 20262,882+157
Oct 16, 20262,725-53
Oct 15, 20262,778-47
Oct 14, 20262,8250
Oct 13, 20262,825-2
Oct 09, 20262,827-30
Oct 08, 20262,8570
Oct 07, 20262,857+1
Oct 06, 20262,856-2
Oct 05, 20262,858-1
Oct 02, 20262,859No prior observation