OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BW $17.50 Call

BW270115C00017500

Latest saved OI4,173Oct 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 $17.50 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. 4,1732,0860 2026-10-02: 4,172 OI2026-10-05: 4,172 OI2026-10-06: 4,172 OI2026-10-07: 4,172 OI2026-10-08: 4,172 OI2026-10-09: 4,172 OI2026-10-13: 4,173 OI2026-10-14: 4,173 OI2026-10-15: 4,173 OI2026-10-16: 4,173 OI2026-10-20: 4,173 OI2026-10-23: 4,173 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, 2026Viewing4,1730
Oct 20, 20264,1730
Oct 16, 20264,1730
Oct 15, 20264,1730
Oct 14, 20264,1730
Oct 13, 20264,173+1
Oct 09, 20264,1720
Oct 08, 20264,1720
Oct 07, 20264,1720
Oct 06, 20264,1720
Oct 05, 20264,1720
Oct 02, 20264,172No prior observation