OITracker Cboe delayed data

Contract OI history

Back to BX

Jan 21, 2028 EXPIRATION

BX $120.00 Call

BX280121C00120000

Latest saved OI1,461Oct 23, 2026
Last change+23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $120.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4617300 2026-10-02: 1,228 OI2026-10-05: 1,227 OI2026-10-06: 1,249 OI2026-10-07: 1,391 OI2026-10-08: 1,391 OI2026-10-09: 1,391 OI2026-10-13: 1,391 OI2026-10-14: 1,394 OI2026-10-15: 1,395 OI2026-10-16: 1,396 OI2026-10-21: 1,438 OI2026-10-23: 1,461 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, 2026Viewing1,461+23
Oct 21, 20261,438+42
Oct 16, 20261,396+1
Oct 15, 20261,395+1
Oct 14, 20261,394+3
Oct 13, 20261,3910
Oct 09, 20261,3910
Oct 08, 20261,3910
Oct 07, 20261,391+142
Oct 06, 20261,249+22
Oct 05, 20261,227-1
Oct 02, 20261,228No prior observation