OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BW $7.00 Put

BW270219P00007000

Latest saved OI4,123Oct 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 $7.00 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. 4,1252,0620 2026-10-02: 4,081 OI2026-10-05: 4,081 OI2026-10-06: 4,081 OI2026-10-07: 4,081 OI2026-10-08: 4,081 OI2026-10-09: 4,081 OI2026-10-13: 4,125 OI2026-10-14: 4,125 OI2026-10-15: 4,125 OI2026-10-16: 4,123 OI2026-10-20: 4,123 OI2026-10-23: 4,123 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, 2026Viewing4,1230
Oct 20, 20264,1230
Oct 16, 20264,123-2
Oct 15, 20264,1250
Oct 14, 20264,1250
Oct 13, 20264,125+44
Oct 09, 20264,0810
Oct 08, 20264,0810
Oct 07, 20264,0810
Oct 06, 20264,0810
Oct 05, 20264,0810
Oct 02, 20264,081No prior observation