OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DELL $400.00 Put

DELL270115P00400000

Latest saved OI3,725Oct 23, 2026
Last change+30vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $400.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,7251,8620 2026-10-02: 2,823 OI2026-10-05: 2,820 OI2026-10-06: 2,851 OI2026-10-07: 3,134 OI2026-10-08: 3,134 OI2026-10-09: 3,109 OI2026-10-13: 3,513 OI2026-10-14: 3,513 OI2026-10-15: 3,488 OI2026-10-16: 3,480 OI2026-10-21: 3,695 OI2026-10-23: 3,725 OI Oct 02, 2026Oct 23, 2026

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

DELL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,725+30
Oct 21, 20263,695+215
Oct 16, 20263,480-8
Oct 15, 20263,488-25
Oct 14, 20263,5130
Oct 13, 20263,513+404
Oct 09, 20263,109-25
Oct 08, 20263,1340
Oct 07, 20263,134+283
Oct 06, 20262,851+31
Oct 05, 20262,820-3
Oct 02, 20262,823No prior observation