OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

DELL $440.00 Put

DELL270219P00440000

Latest saved OI395Oct 23, 2026
Last change-9vs 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. 4042020 2026-10-02: 285 OI2026-10-05: 279 OI2026-10-06: 285 OI2026-10-07: 285 OI2026-10-08: 285 OI2026-10-09: 295 OI2026-10-13: 294 OI2026-10-14: 294 OI2026-10-15: 295 OI2026-10-16: 296 OI2026-10-21: 404 OI2026-10-23: 395 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, 2026Viewing395-9
Oct 21, 2026404+108
Oct 16, 2026296+1
Oct 15, 2026295+1
Oct 14, 20262940
Oct 13, 2026294-1
Oct 09, 2026295+10
Oct 08, 20262850
Oct 07, 20262850
Oct 06, 2026285+6
Oct 05, 2026279-6
Oct 02, 2026285No prior observation