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Contract OI history

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Oct 30, 2026 EXPIRATION

DELL $400.00 Put

DELL261030P00400000

Latest saved OI1,142Oct 23, 2026
Last change+224vs 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. 1,1425710 2026-10-02: 151 OI2026-10-05: 146 OI2026-10-06: 256 OI2026-10-07: 255 OI2026-10-08: 255 OI2026-10-09: 257 OI2026-10-13: 281 OI2026-10-14: 281 OI2026-10-15: 290 OI2026-10-16: 528 OI2026-10-21: 918 OI2026-10-23: 1,142 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, 2026Viewing1,142+224
Oct 21, 2026918+390
Oct 16, 2026528+238
Oct 15, 2026290+9
Oct 14, 20262810
Oct 13, 2026281+24
Oct 09, 2026257+2
Oct 08, 20262550
Oct 07, 2026255-1
Oct 06, 2026256+110
Oct 05, 2026146-5
Oct 02, 2026151No prior observation