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Contract OI history

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Nov 20, 2026 EXPIRATION

DELL $400.00 Put

DELL261120P00400000

Latest saved OI3,319Oct 23, 2026
Last change+292vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $400.00 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. 3,3191,6590 2026-10-02: 2,103 OI2026-10-05: 2,134 OI2026-10-06: 2,135 OI2026-10-07: 2,147 OI2026-10-08: 2,147 OI2026-10-09: 2,319 OI2026-10-13: 2,311 OI2026-10-14: 2,311 OI2026-10-15: 2,466 OI2026-10-16: 2,764 OI2026-10-21: 3,027 OI2026-10-23: 3,319 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, 2026Viewing3,319+292
Oct 21, 20263,027+263
Oct 16, 20262,764+298
Oct 15, 20262,466+155
Oct 14, 20262,3110
Oct 13, 20262,311-8
Oct 09, 20262,319+172
Oct 08, 20262,1470
Oct 07, 20262,147+12
Oct 06, 20262,135+1
Oct 05, 20262,134+31
Oct 02, 20262,103No prior observation