OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BX $125.00 Put

BX270115P00125000

Latest saved OI4,821Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $125.00 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. 4,8592,4290 2026-10-02: 4,859 OI2026-10-05: 4,859 OI2026-10-06: 4,844 OI2026-10-07: 4,844 OI2026-10-08: 4,858 OI2026-10-09: 4,858 OI2026-10-13: 4,858 OI2026-10-14: 4,822 OI2026-10-15: 4,822 OI2026-10-16: 4,822 OI2026-10-21: 4,821 OI2026-10-23: 4,821 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, 2026Viewing4,8210
Oct 21, 20264,821-1
Oct 16, 20264,8220
Oct 15, 20264,8220
Oct 14, 20264,822-36
Oct 13, 20264,8580
Oct 09, 20264,8580
Oct 08, 20264,858+14
Oct 07, 20264,8440
Oct 06, 20264,844-15
Oct 05, 20264,8590
Oct 02, 20264,859No prior observation