OITracker Cboe delayed data

Contract OI history

Back to CLS

May 21, 2027 EXPIRATION

CLS $600.00 Call

CLS270521C00600000

Latest saved OI265Oct 23, 2026
Last change-305vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $600.00 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. 6013000 2026-10-02: 601 OI2026-10-05: 600 OI2026-10-06: 600 OI2026-10-07: 600 OI2026-10-08: 600 OI2026-10-09: 600 OI2026-10-13: 600 OI2026-10-14: 600 OI2026-10-15: 570 OI2026-10-16: 570 OI2026-10-21: 570 OI2026-10-23: 265 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, 2026Viewing265-305
Oct 21, 20265700
Oct 16, 20265700
Oct 15, 2026570-30
Oct 14, 20266000
Oct 13, 20266000
Oct 09, 20266000
Oct 08, 20266000
Oct 07, 20266000
Oct 06, 20266000
Oct 05, 2026600-1
Oct 02, 2026601No prior observation