OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $49.00 Call

B270115C00049000

Latest saved OI412Oct 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 $49.00 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. 4132060 2026-10-02: 341 OI2026-10-05: 342 OI2026-10-06: 342 OI2026-10-07: 342 OI2026-10-08: 342 OI2026-10-09: 342 OI2026-10-13: 402 OI2026-10-14: 402 OI2026-10-15: 402 OI2026-10-16: 402 OI2026-10-21: 413 OI2026-10-23: 412 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, 2026Viewing412-1
Oct 21, 2026413+11
Oct 16, 20264020
Oct 15, 20264020
Oct 14, 20264020
Oct 13, 2026402+60
Oct 09, 20263420
Oct 08, 20263420
Oct 07, 20263420
Oct 06, 20263420
Oct 05, 2026342+1
Oct 02, 2026341No prior observation