OITracker Cboe delayed data

Contract OI history

Back to DELL

Oct 30, 2026 EXPIRATION

DELL $325.00 Put

DELL261030P00325000

Latest saved OI280Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $325.00 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. 2801400 2026-10-02: 21 OI2026-10-05: 21 OI2026-10-06: 21 OI2026-10-07: 21 OI2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-15: 28 OI2026-10-16: 28 OI2026-10-21: 278 OI2026-10-23: 280 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, 2026Viewing280+2
Oct 21, 2026278+250
Oct 16, 2026280
Oct 15, 202628+7
Oct 14, 2026210
Oct 13, 2026210
Oct 09, 2026210
Oct 08, 2026210
Oct 07, 2026210
Oct 06, 2026210
Oct 05, 2026210
Oct 02, 202621No prior observation