OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DELL $350.00 Put

DELL280121P00350000

Latest saved OI1,049Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $350.00 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. 1,0495240 2026-10-02: 914 OI2026-10-05: 914 OI2026-10-06: 914 OI2026-10-07: 914 OI2026-10-08: 914 OI2026-10-09: 914 OI2026-10-13: 960 OI2026-10-14: 960 OI2026-10-15: 958 OI2026-10-16: 966 OI2026-10-21: 1,045 OI2026-10-23: 1,049 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, 2026Viewing1,049+4
Oct 21, 20261,045+79
Oct 16, 2026966+8
Oct 15, 2026958-2
Oct 14, 20269600
Oct 13, 2026960+46
Oct 09, 20269140
Oct 08, 20269140
Oct 07, 20269140
Oct 06, 20269140
Oct 05, 20269140
Oct 02, 2026914No prior observation