OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BW $7.50 Put

BW280121P00007500

Latest saved OI624Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $7.50 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. 6283140 2026-10-02: 628 OI2026-10-05: 628 OI2026-10-06: 628 OI2026-10-07: 628 OI2026-10-08: 623 OI2026-10-09: 625 OI2026-10-13: 625 OI2026-10-14: 625 OI2026-10-15: 625 OI2026-10-16: 624 OI2026-10-20: 624 OI2026-10-23: 624 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, 2026Viewing6240
Oct 20, 20266240
Oct 16, 2026624-1
Oct 15, 20266250
Oct 14, 20266250
Oct 13, 20266250
Oct 09, 2026625+2
Oct 08, 2026623-5
Oct 07, 20266280
Oct 06, 20266280
Oct 05, 20266280
Oct 02, 2026628No prior observation