OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CLS $400.00 Call

CLS270115C00400000

Latest saved OI1,312Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $400.00 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. 1,3126560 2026-10-02: 1,267 OI2026-10-05: 1,270 OI2026-10-06: 1,270 OI2026-10-07: 1,276 OI2026-10-08: 1,281 OI2026-10-09: 1,299 OI2026-10-13: 1,299 OI2026-10-14: 1,299 OI2026-10-15: 1,302 OI2026-10-16: 1,303 OI2026-10-21: 1,303 OI2026-10-23: 1,312 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, 2026Viewing1,312+9
Oct 21, 20261,3030
Oct 16, 20261,303+1
Oct 15, 20261,302+3
Oct 14, 20261,2990
Oct 13, 20261,2990
Oct 09, 20261,299+18
Oct 08, 20261,281+5
Oct 07, 20261,276+6
Oct 06, 20261,2700
Oct 05, 20261,270+3
Oct 02, 20261,267No prior observation