OITracker Cboe delayed data

Contract OI history

Back to DELL

Oct 23, 2026 EXPIRATION

DELL $440.00 Put

DELL261023P00440000

Latest saved OI1,615Oct 23, 2026
Last change+1,191vs 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. 1,6158070 2026-10-02: 100 OI2026-10-05: 98 OI2026-10-06: 97 OI2026-10-07: 101 OI2026-10-08: 101 OI2026-10-09: 95 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 212 OI2026-10-16: 314 OI2026-10-21: 424 OI2026-10-23: 1,615 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, 2026Viewing1,615+1,191
Oct 21, 2026424+110
Oct 16, 2026314+102
Oct 15, 2026212+56
Oct 14, 20261560
Oct 13, 2026156+61
Oct 09, 202695-6
Oct 08, 20261010
Oct 07, 2026101+4
Oct 06, 202697-1
Oct 05, 202698-2
Oct 02, 2026100No prior observation