OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DELL $510.00 Put

DELL280121P00510000

Latest saved OI577Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $510.00 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. 5772880 2026-10-02: 559 OI2026-10-05: 559 OI2026-10-06: 559 OI2026-10-07: 559 OI2026-10-08: 559 OI2026-10-09: 559 OI2026-10-13: 559 OI2026-10-14: 559 OI2026-10-15: 559 OI2026-10-16: 539 OI2026-10-21: 577 OI2026-10-23: 577 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, 2026Viewing5770
Oct 21, 2026577+38
Oct 16, 2026539-20
Oct 15, 20265590
Oct 14, 20265590
Oct 13, 20265590
Oct 09, 20265590
Oct 08, 20265590
Oct 07, 20265590
Oct 06, 20265590
Oct 05, 20265590
Oct 02, 2026559No prior observation