OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

DELL $280.00 Put

DELL261120P00280000

Latest saved OI648Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $280.00 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. 6483240 2026-10-02: 643 OI2026-10-05: 639 OI2026-10-06: 639 OI2026-10-07: 639 OI2026-10-08: 639 OI2026-10-09: 639 OI2026-10-13: 638 OI2026-10-14: 638 OI2026-10-15: 637 OI2026-10-16: 637 OI2026-10-21: 638 OI2026-10-23: 648 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, 2026Viewing648+10
Oct 21, 2026638+1
Oct 16, 20266370
Oct 15, 2026637-1
Oct 14, 20266380
Oct 13, 2026638-1
Oct 09, 20266390
Oct 08, 20266390
Oct 07, 20266390
Oct 06, 20266390
Oct 05, 2026639-4
Oct 02, 2026643No prior observation