OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

BW $5.00 Put

BW290119P00005000

Latest saved OI37Oct 23, 2026
Last change+10vs 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. 37180 2026-10-02: 21 OI2026-10-05: 20 OI2026-10-06: 20 OI2026-10-07: 20 OI2026-10-08: 20 OI2026-10-09: 20 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 27 OI2026-10-16: 27 OI2026-10-20: 27 OI2026-10-23: 37 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, 2026Viewing37+10
Oct 20, 2026270
Oct 16, 2026270
Oct 15, 2026270
Oct 14, 2026270
Oct 13, 202627+7
Oct 09, 2026200
Oct 08, 2026200
Oct 07, 2026200
Oct 06, 2026200
Oct 05, 202620-1
Oct 02, 202621No prior observation