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Contract OI history

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Oct 23, 2026 EXPIRATION

DELL $402.50 Put

DELL261023P00402500

Latest saved OI184Oct 23, 2026
Last change+3vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $402.50 put open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 184920 2026-10-16: 0 OI2026-10-21: 181 OI2026-10-23: 184 OI Oct 16, 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, 2026Viewing184+3
Oct 21, 2026181+181
Oct 16, 20260No prior observation