OITracker Cboe delayed data

Contract OI history

Back to CI

Dec 18, 2026 EXPIRATION

CI $360.00 Call

CI261218C00360000

Latest saved OI109Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $360.00 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. 109540 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 107 OI2026-10-07: 107 OI2026-10-08: 107 OI2026-10-09: 107 OI2026-10-13: 107 OI2026-10-14: 107 OI2026-10-15: 107 OI2026-10-16: 104 OI2026-10-21: 103 OI2026-10-23: 109 OI Oct 02, 2026Oct 23, 2026

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

CI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing109+6
Oct 21, 2026103-1
Oct 16, 2026104-3
Oct 15, 20261070
Oct 14, 20261070
Oct 13, 20261070
Oct 09, 20261070
Oct 08, 20261070
Oct 07, 20261070
Oct 06, 20261070
Oct 05, 20261070
Oct 02, 2026107No prior observation