OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BW $15.00 Put

BW270115P00015000

Latest saved OI3Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $15.00 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. 2891440 2026-10-02: 284 OI2026-10-05: 284 OI2026-10-06: 284 OI2026-10-07: 289 OI2026-10-08: 288 OI2026-10-09: 288 OI2026-10-13: 221 OI2026-10-14: 221 OI2026-10-15: 23 OI2026-10-16: 23 OI2026-10-20: 23 OI2026-10-23: 3 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, 2026Viewing3-20
Oct 20, 2026230
Oct 16, 2026230
Oct 15, 202623-198
Oct 14, 20262210
Oct 13, 2026221-67
Oct 09, 20262880
Oct 08, 2026288-1
Oct 07, 2026289+5
Oct 06, 20262840
Oct 05, 20262840
Oct 02, 2026284No prior observation