OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BW $5.00 Put

BW270219P00005000

Latest saved OI116Oct 23, 2026
Last change+47vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BW $5.00 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. 116580 2026-10-02: 35 OI2026-10-05: 35 OI2026-10-06: 35 OI2026-10-07: 35 OI2026-10-08: 34 OI2026-10-09: 34 OI2026-10-13: 74 OI2026-10-14: 74 OI2026-10-15: 69 OI2026-10-16: 69 OI2026-10-20: 69 OI2026-10-23: 116 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, 2026Viewing116+47
Oct 20, 2026690
Oct 16, 2026690
Oct 15, 202669-5
Oct 14, 2026740
Oct 13, 202674+40
Oct 09, 2026340
Oct 08, 202634-1
Oct 07, 2026350
Oct 06, 2026350
Oct 05, 2026350
Oct 02, 202635No prior observation