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Contract OI history

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Oct 30, 2026 EXPIRATION

SMCI $28.50 Put

SMCI261030P00028500

Latest saved OI294Oct 23, 2026
Last change+131vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.50 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. 2941470 2026-10-21: 163 OI2026-10-23: 294 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, 2026Viewing294+131
Oct 21, 2026163No prior observation