OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BW $5.00 Put

BW280121P00005000

Latest saved OI182Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $5.00 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. 2871430 2026-10-02: 285 OI2026-10-05: 285 OI2026-10-06: 285 OI2026-10-07: 287 OI2026-10-08: 287 OI2026-10-09: 287 OI2026-10-13: 176 OI2026-10-14: 176 OI2026-10-15: 176 OI2026-10-16: 176 OI2026-10-20: 176 OI2026-10-23: 182 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, 2026Viewing182+6
Oct 20, 20261760
Oct 16, 20261760
Oct 15, 20261760
Oct 14, 20261760
Oct 13, 2026176-111
Oct 09, 20262870
Oct 08, 20262870
Oct 07, 2026287+2
Oct 06, 20262850
Oct 05, 20262850
Oct 02, 2026285No prior observation