OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BW $12.50 Put

BW270115P00012500

Latest saved OI118Oct 23, 2026
Last change-122vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $12.50 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. 2401200 2026-10-02: 240 OI2026-10-05: 240 OI2026-10-06: 240 OI2026-10-07: 240 OI2026-10-08: 240 OI2026-10-09: 240 OI2026-10-13: 240 OI2026-10-14: 240 OI2026-10-15: 240 OI2026-10-16: 240 OI2026-10-20: 240 OI2026-10-23: 118 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, 2026Viewing118-122
Oct 20, 20262400
Oct 16, 20262400
Oct 15, 20262400
Oct 14, 20262400
Oct 13, 20262400
Oct 09, 20262400
Oct 08, 20262400
Oct 07, 20262400
Oct 06, 20262400
Oct 05, 20262400
Oct 02, 2026240No prior observation