OITracker Cboe delayed data

Contract OI history

Back to COF

Oct 30, 2026 EXPIRATION

COF $210.00 Call

COF261030C00210000

Latest saved OI166Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $210.00 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. 166830 2026-10-02: 58 OI2026-10-05: 105 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 129 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 126 OI2026-10-16: 131 OI2026-10-21: 161 OI2026-10-23: 166 OI Oct 02, 2026Oct 23, 2026

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

COF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing166+5
Oct 21, 2026161+30
Oct 16, 2026131+5
Oct 15, 2026126-6
Oct 14, 20261320
Oct 13, 2026132+3
Oct 09, 2026129+5
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 2026124+19
Oct 05, 2026105+47
Oct 02, 202658No prior observation