OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

DELL $440.00 Put

DELL261030P00440000

Latest saved OI892Oct 23, 2026
Last change+50vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $440.00 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. 8924460 2026-10-02: 114 OI2026-10-05: 88 OI2026-10-06: 103 OI2026-10-07: 91 OI2026-10-08: 91 OI2026-10-09: 92 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 135 OI2026-10-16: 854 OI2026-10-21: 842 OI2026-10-23: 892 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, 2026Viewing892+50
Oct 21, 2026842-12
Oct 16, 2026854+719
Oct 15, 2026135+41
Oct 14, 2026940
Oct 13, 202694+2
Oct 09, 202692+1
Oct 08, 2026910
Oct 07, 202691-12
Oct 06, 2026103+15
Oct 05, 202688-26
Oct 02, 2026114No prior observation