OITracker Cboe delayed data

Contract OI history

Back to B

Mar 19, 2027 EXPIRATION

B $44.00 Call

B270319C00044000

Latest saved OI110Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $44.00 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. 116580 2026-10-02: 111 OI2026-10-05: 111 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 112 OI2026-10-13: 112 OI2026-10-14: 116 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-21: 110 OI2026-10-23: 110 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, 2026Viewing1100
Oct 21, 2026110-5
Oct 16, 20261150
Oct 15, 2026115-1
Oct 14, 2026116+4
Oct 13, 20261120
Oct 09, 2026112+1
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 20261110
Oct 05, 20261110
Oct 02, 2026111No prior observation