OITracker Cboe delayed data

Contract OI history

Back to BX

Sep 17, 2027 EXPIRATION

BX $135.00 Call

BX270917C00135000

Latest saved OI125Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $135.00 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. 125620 2026-10-02: 24 OI2026-10-05: 28 OI2026-10-06: 28 OI2026-10-07: 28 OI2026-10-08: 30 OI2026-10-09: 119 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-15: 120 OI2026-10-16: 124 OI2026-10-21: 124 OI2026-10-23: 125 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, 2026Viewing125+1
Oct 21, 20261240
Oct 16, 2026124+4
Oct 15, 2026120+1
Oct 14, 20261190
Oct 13, 20261190
Oct 09, 2026119+89
Oct 08, 202630+2
Oct 07, 2026280
Oct 06, 2026280
Oct 05, 202628+4
Oct 02, 202624No prior observation