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Contract OI history

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Dec 18, 2026 EXPIRATION

DELL $420.00 Put

DELL261218P00420000

Latest saved OI579Oct 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 $420.00 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. 5792890 2026-10-02: 457 OI2026-10-05: 458 OI2026-10-06: 473 OI2026-10-07: 486 OI2026-10-08: 486 OI2026-10-09: 492 OI2026-10-13: 496 OI2026-10-14: 496 OI2026-10-15: 507 OI2026-10-16: 518 OI2026-10-21: 579 OI2026-10-23: 579 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, 2026Viewing5790
Oct 21, 2026579+61
Oct 16, 2026518+11
Oct 15, 2026507+11
Oct 14, 20264960
Oct 13, 2026496+4
Oct 09, 2026492+6
Oct 08, 20264860
Oct 07, 2026486+13
Oct 06, 2026473+15
Oct 05, 2026458+1
Oct 02, 2026457No prior observation