OITracker Cboe delayed data

Contract OI history

Back to BX

Jan 15, 2027 EXPIRATION

BX $90.00 Put

BX270115P00090000

Latest saved OI4,618Oct 23, 2026
Last change+15vs 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. 4,6232,3110 2026-10-02: 3,449 OI2026-10-05: 3,449 OI2026-10-06: 3,449 OI2026-10-07: 3,445 OI2026-10-08: 3,440 OI2026-10-09: 3,439 OI2026-10-13: 3,530 OI2026-10-14: 4,304 OI2026-10-15: 4,611 OI2026-10-16: 4,623 OI2026-10-21: 4,603 OI2026-10-23: 4,618 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, 2026Viewing4,618+15
Oct 21, 20264,603-20
Oct 16, 20264,623+12
Oct 15, 20264,611+307
Oct 14, 20264,304+774
Oct 13, 20263,530+91
Oct 09, 20263,439-1
Oct 08, 20263,440-5
Oct 07, 20263,445-4
Oct 06, 20263,4490
Oct 05, 20263,4490
Oct 02, 20263,449No prior observation