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Contract OI history

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Nov 13, 2026 EXPIRATION

SMCI $28.00 Put

SMCI261113P00028000

Latest saved OI258Oct 23, 2026
Last change+23vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 2581290 2026-10-15: 0 OI2026-10-16: 22 OI2026-10-21: 235 OI2026-10-23: 258 OI Oct 15, 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, 2026Viewing258+23
Oct 21, 2026235+213
Oct 16, 202622+22
Oct 15, 20260No prior observation