OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

BX $110.00 Put

BX261030P00110000

Latest saved OI762Oct 23, 2026
Last change+368vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $110.00 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. 7623810 2026-10-02: 218 OI2026-10-05: 230 OI2026-10-06: 232 OI2026-10-07: 233 OI2026-10-08: 237 OI2026-10-09: 240 OI2026-10-13: 240 OI2026-10-14: 256 OI2026-10-15: 256 OI2026-10-16: 342 OI2026-10-21: 394 OI2026-10-23: 762 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, 2026Viewing762+368
Oct 21, 2026394+52
Oct 16, 2026342+86
Oct 15, 20262560
Oct 14, 2026256+16
Oct 13, 20262400
Oct 09, 2026240+3
Oct 08, 2026237+4
Oct 07, 2026233+1
Oct 06, 2026232+2
Oct 05, 2026230+12
Oct 02, 2026218No prior observation