OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

BX $90.00 Put

BX270219P00090000

Latest saved OI260Oct 23, 2026
Last change-18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $90.00 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. 2781390 2026-10-02: 207 OI2026-10-05: 211 OI2026-10-06: 211 OI2026-10-07: 210 OI2026-10-08: 210 OI2026-10-09: 210 OI2026-10-13: 210 OI2026-10-14: 210 OI2026-10-15: 216 OI2026-10-16: 216 OI2026-10-21: 278 OI2026-10-23: 260 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, 2026Viewing260-18
Oct 21, 2026278+62
Oct 16, 20262160
Oct 15, 2026216+6
Oct 14, 20262100
Oct 13, 20262100
Oct 09, 20262100
Oct 08, 20262100
Oct 07, 2026210-1
Oct 06, 20262110
Oct 05, 2026211+4
Oct 02, 2026207No prior observation