OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CI $340.00 Call

CI270115C00340000

Latest saved OI453Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $340.00 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. 4532260 2026-10-02: 408 OI2026-10-05: 408 OI2026-10-06: 408 OI2026-10-07: 408 OI2026-10-08: 403 OI2026-10-09: 403 OI2026-10-13: 403 OI2026-10-14: 403 OI2026-10-15: 401 OI2026-10-16: 406 OI2026-10-21: 449 OI2026-10-23: 453 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, 2026Viewing453+4
Oct 21, 2026449+43
Oct 16, 2026406+5
Oct 15, 2026401-2
Oct 14, 20264030
Oct 13, 20264030
Oct 09, 20264030
Oct 08, 2026403-5
Oct 07, 20264080
Oct 06, 20264080
Oct 05, 20264080
Oct 02, 2026408No prior observation