OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BX $130.00 Put

BX270219P00130000

Latest saved OI298Oct 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
BX $130.00 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. 3051520 2026-10-02: 303 OI2026-10-05: 303 OI2026-10-06: 303 OI2026-10-07: 304 OI2026-10-08: 304 OI2026-10-09: 304 OI2026-10-13: 305 OI2026-10-14: 305 OI2026-10-15: 301 OI2026-10-16: 301 OI2026-10-21: 297 OI2026-10-23: 298 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing298+1
Oct 21, 2026297-4
Oct 16, 20263010
Oct 15, 2026301-4
Oct 14, 20263050
Oct 13, 2026305+1
Oct 09, 20263040
Oct 08, 20263040
Oct 07, 2026304+1
Oct 06, 20263030
Oct 05, 20263030
Oct 02, 2026303No prior observation