OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CLS $420.00 Call

CLS270115C00420000

Latest saved OI250Oct 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
CLS $420.00 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. 2571280 2026-10-02: 152 OI2026-10-05: 230 OI2026-10-06: 230 OI2026-10-07: 232 OI2026-10-08: 257 OI2026-10-09: 256 OI2026-10-13: 256 OI2026-10-14: 256 OI2026-10-15: 256 OI2026-10-16: 257 OI2026-10-21: 255 OI2026-10-23: 250 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, 2026Viewing250-5
Oct 21, 2026255-2
Oct 16, 2026257+1
Oct 15, 20262560
Oct 14, 20262560
Oct 13, 20262560
Oct 09, 2026256-1
Oct 08, 2026257+25
Oct 07, 2026232+2
Oct 06, 20262300
Oct 05, 2026230+78
Oct 02, 2026152No prior observation