OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BW $12.50 Call

BW270115C00012500

Latest saved OI1,153Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $12.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1565780 2026-10-02: 1,156 OI2026-10-05: 1,156 OI2026-10-06: 1,156 OI2026-10-07: 1,156 OI2026-10-08: 1,156 OI2026-10-09: 1,156 OI2026-10-13: 1,154 OI2026-10-14: 1,154 OI2026-10-15: 1,154 OI2026-10-16: 1,154 OI2026-10-20: 1,154 OI2026-10-23: 1,153 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, 2026Viewing1,153-1
Oct 20, 20261,1540
Oct 16, 20261,1540
Oct 15, 20261,1540
Oct 14, 20261,1540
Oct 13, 20261,154-2
Oct 09, 20261,1560
Oct 08, 20261,1560
Oct 07, 20261,1560
Oct 06, 20261,1560
Oct 05, 20261,1560
Oct 02, 20261,156No prior observation