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Contract OI history

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Oct 30, 2026 EXPIRATION

SMCI $31.50 Put

SMCI261030P00031500

Latest saved OI333Oct 23, 2026
Last change+233vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $31.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 3331660 2026-10-21: 100 OI2026-10-23: 333 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMCI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing333+233
Oct 21, 2026100No prior observation