OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BWMN $40.00 Call

BWMN270115C00040000

Latest saved OI106Oct 23, 2026
Last change+50vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BWMN $40.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 106530 2026-10-09: 56 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-16: 56 OI2026-10-20: 56 OI2026-10-23: 106 OI Oct 09, 2026Oct 23, 2026

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

BWMN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing106+50
Oct 20, 2026560
Oct 16, 2026560
Oct 14, 2026560
Oct 13, 2026560
Oct 09, 202656No prior observation