OITracker Cboe delayed data

Contract OI history

Back to DELL

Jan 21, 2028 EXPIRATION

DELL $400.00 Put

DELL280121P00400000

Latest saved OI851Oct 23, 2026
Last change-216vs 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. 1,0675330 2026-10-02: 676 OI2026-10-05: 676 OI2026-10-06: 676 OI2026-10-07: 676 OI2026-10-08: 676 OI2026-10-09: 757 OI2026-10-13: 761 OI2026-10-14: 761 OI2026-10-15: 1,061 OI2026-10-16: 1,062 OI2026-10-21: 1,067 OI2026-10-23: 851 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, 2026Viewing851-216
Oct 21, 20261,067+5
Oct 16, 20261,062+1
Oct 15, 20261,061+300
Oct 14, 20267610
Oct 13, 2026761+4
Oct 09, 2026757+81
Oct 08, 20266760
Oct 07, 20266760
Oct 06, 20266760
Oct 05, 20266760
Oct 02, 2026676No prior observation