OITracker Cboe delayed data

Contract OI history

Back to BX

Dec 18, 2026 EXPIRATION

BX $130.00 Call

BX261218C00130000

Latest saved OI1,422Oct 23, 2026
Last change+139vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $130.00 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. 1,4767380 2026-10-02: 1,170 OI2026-10-05: 1,216 OI2026-10-06: 1,355 OI2026-10-07: 1,394 OI2026-10-08: 1,414 OI2026-10-09: 1,435 OI2026-10-13: 1,476 OI2026-10-14: 1,473 OI2026-10-15: 1,378 OI2026-10-16: 1,377 OI2026-10-21: 1,283 OI2026-10-23: 1,422 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, 2026Viewing1,422+139
Oct 21, 20261,283-94
Oct 16, 20261,377-1
Oct 15, 20261,378-95
Oct 14, 20261,473-3
Oct 13, 20261,476+41
Oct 09, 20261,435+21
Oct 08, 20261,414+20
Oct 07, 20261,394+39
Oct 06, 20261,355+139
Oct 05, 20261,216+46
Oct 02, 20261,170No prior observation