OITracker Cboe delayed data

Contract OI history

Back to DELL

Oct 30, 2026 EXPIRATION

DELL $525.00 Put

DELL261030P00525000

Latest saved OI307Oct 23, 2026
Last change+37vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $525.00 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. 4322160 2026-10-02: 42 OI2026-10-05: 43 OI2026-10-06: 49 OI2026-10-07: 53 OI2026-10-08: 53 OI2026-10-09: 432 OI2026-10-13: 427 OI2026-10-14: 427 OI2026-10-15: 276 OI2026-10-16: 279 OI2026-10-21: 270 OI2026-10-23: 307 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, 2026Viewing307+37
Oct 21, 2026270-9
Oct 16, 2026279+3
Oct 15, 2026276-151
Oct 14, 20264270
Oct 13, 2026427-5
Oct 09, 2026432+379
Oct 08, 2026530
Oct 07, 202653+4
Oct 06, 202649+6
Oct 05, 202643+1
Oct 02, 202642No prior observation