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Contract OI history

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Mar 19, 2027 EXPIRATION

DELL $440.00 Put

DELL270319P00440000

Latest saved OI349Oct 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 $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. 3491740 2026-10-02: 328 OI2026-10-05: 328 OI2026-10-06: 318 OI2026-10-07: 318 OI2026-10-08: 318 OI2026-10-09: 318 OI2026-10-13: 310 OI2026-10-14: 310 OI2026-10-15: 335 OI2026-10-16: 335 OI2026-10-21: 339 OI2026-10-23: 349 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, 2026Viewing349+10
Oct 21, 2026339+4
Oct 16, 20263350
Oct 15, 2026335+25
Oct 14, 20263100
Oct 13, 2026310-8
Oct 09, 20263180
Oct 08, 20263180
Oct 07, 20263180
Oct 06, 2026318-10
Oct 05, 20263280
Oct 02, 2026328No prior observation