OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CLS $340.00 Call

CLS270115C00340000

Latest saved OI398Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $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. 3981990 2026-10-02: 300 OI2026-10-05: 305 OI2026-10-06: 304 OI2026-10-07: 304 OI2026-10-08: 304 OI2026-10-09: 305 OI2026-10-13: 312 OI2026-10-14: 312 OI2026-10-15: 311 OI2026-10-16: 367 OI2026-10-21: 376 OI2026-10-23: 398 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing398+22
Oct 21, 2026376+9
Oct 16, 2026367+56
Oct 15, 2026311-1
Oct 14, 20263120
Oct 13, 2026312+7
Oct 09, 2026305+1
Oct 08, 20263040
Oct 07, 20263040
Oct 06, 2026304-1
Oct 05, 2026305+5
Oct 02, 2026300No prior observation