OITracker Cboe delayed data

Contract OI history

Back to B

Oct 30, 2026 EXPIRATION

B $44.00 Call

B261030C00044000

Latest saved OI338Oct 23, 2026
Last change-64vs 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. 4022010 2026-10-02: 33 OI2026-10-05: 93 OI2026-10-06: 93 OI2026-10-07: 112 OI2026-10-08: 112 OI2026-10-09: 214 OI2026-10-13: 240 OI2026-10-14: 246 OI2026-10-15: 237 OI2026-10-16: 231 OI2026-10-21: 402 OI2026-10-23: 338 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, 2026Viewing338-64
Oct 21, 2026402+171
Oct 16, 2026231-6
Oct 15, 2026237-9
Oct 14, 2026246+6
Oct 13, 2026240+26
Oct 09, 2026214+102
Oct 08, 20261120
Oct 07, 2026112+19
Oct 06, 2026930
Oct 05, 202693+60
Oct 02, 202633No prior observation