OITracker Cboe delayed data

Contract OI history

Back to CB

Dec 18, 2026 EXPIRATION

CB $380.00 Call

CB261218C00380000

Latest saved OI175Oct 23, 2026
Last change+18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $380.00 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. 175870 2026-10-02: 82 OI2026-10-05: 82 OI2026-10-06: 82 OI2026-10-07: 82 OI2026-10-08: 82 OI2026-10-09: 82 OI2026-10-13: 111 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 153 OI2026-10-21: 157 OI2026-10-23: 175 OI Oct 02, 2026Oct 23, 2026

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

CB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing175+18
Oct 21, 2026157+4
Oct 16, 2026153+41
Oct 15, 20261120
Oct 14, 2026112+1
Oct 13, 2026111+29
Oct 09, 2026820
Oct 08, 2026820
Oct 07, 2026820
Oct 06, 2026820
Oct 05, 2026820
Oct 02, 202682No prior observation