OITracker Cboe delayed data

Contract OI history

Back to BX

Jan 15, 2027 EXPIRATION

BX $140.00 Put

BX270115P00140000

Latest saved OI4,172Oct 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 $140.00 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. 4,3072,1530 2026-10-02: 4,307 OI2026-10-05: 4,307 OI2026-10-06: 4,306 OI2026-10-07: 4,306 OI2026-10-08: 4,306 OI2026-10-09: 4,306 OI2026-10-13: 4,306 OI2026-10-14: 4,297 OI2026-10-15: 4,172 OI2026-10-16: 4,172 OI2026-10-21: 4,172 OI2026-10-23: 4,172 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, 2026Viewing4,1720
Oct 21, 20264,1720
Oct 16, 20264,1720
Oct 15, 20264,172-125
Oct 14, 20264,297-9
Oct 13, 20264,3060
Oct 09, 20264,3060
Oct 08, 20264,3060
Oct 07, 20264,3060
Oct 06, 20264,306-1
Oct 05, 20264,3070
Oct 02, 20264,307No prior observation