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Contract OI history

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Oct 30, 2026 EXPIRATION

DELL $390.00 Put

DELL261030P00390000

Latest saved OI320Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $390.00 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. 3201600 2026-10-02: 69 OI2026-10-05: 65 OI2026-10-06: 60 OI2026-10-07: 60 OI2026-10-08: 60 OI2026-10-09: 56 OI2026-10-13: 95 OI2026-10-14: 95 OI2026-10-15: 95 OI2026-10-16: 156 OI2026-10-21: 319 OI2026-10-23: 320 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, 2026Viewing320+1
Oct 21, 2026319+163
Oct 16, 2026156+61
Oct 15, 2026950
Oct 14, 2026950
Oct 13, 202695+39
Oct 09, 202656-4
Oct 08, 2026600
Oct 07, 2026600
Oct 06, 202660-5
Oct 05, 202665-4
Oct 02, 202669No prior observation