OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BW $10.00 Put

BW261120P00010000

Latest saved OI69Oct 23, 2026
Last change-53vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $10.00 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. 137680 2026-10-02: 137 OI2026-10-05: 137 OI2026-10-06: 133 OI2026-10-07: 133 OI2026-10-08: 133 OI2026-10-09: 133 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 124 OI2026-10-16: 124 OI2026-10-20: 122 OI2026-10-23: 69 OI Oct 02, 2026Oct 23, 2026

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

BW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing69-53
Oct 20, 2026122-2
Oct 16, 20261240
Oct 15, 2026124-5
Oct 14, 20261290
Oct 13, 2026129-4
Oct 09, 20261330
Oct 08, 20261330
Oct 07, 20261330
Oct 06, 2026133-4
Oct 05, 20261370
Oct 02, 2026137No prior observation