OITracker Cboe delayed data

Contract OI history

Back to B

Sep 17, 2027 EXPIRATION

B $65.00 Call

B270917C00065000

Latest saved OI492Oct 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
B $65.00 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. 4922460 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 489 OI2026-10-15: 491 OI2026-10-16: 491 OI2026-10-21: 491 OI2026-10-23: 492 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing492+1
Oct 21, 20264910
Oct 16, 20264910
Oct 15, 2026491+2
Oct 14, 2026489+488
Oct 13, 202610
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation