OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $44.00 Call

B270115C00044000

Latest saved OI400Oct 23, 2026
Last change+15vs 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. 4002000 2026-10-02: 320 OI2026-10-05: 324 OI2026-10-06: 324 OI2026-10-07: 325 OI2026-10-08: 358 OI2026-10-09: 369 OI2026-10-13: 372 OI2026-10-14: 377 OI2026-10-15: 379 OI2026-10-16: 385 OI2026-10-21: 385 OI2026-10-23: 400 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, 2026Viewing400+15
Oct 21, 20263850
Oct 16, 2026385+6
Oct 15, 2026379+2
Oct 14, 2026377+5
Oct 13, 2026372+3
Oct 09, 2026369+11
Oct 08, 2026358+33
Oct 07, 2026325+1
Oct 06, 20263240
Oct 05, 2026324+4
Oct 02, 2026320No prior observation