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Contract OI history

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Jan 21, 2028 EXPIRATION

SMCI $40.00 Put

SMCI280121P00040000

Latest saved OI2,234Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2341,1170 2026-10-09: 2,233 OI2026-10-13: 2,228 OI2026-10-14: 2,228 OI2026-10-15: 2,228 OI2026-10-16: 2,211 OI2026-10-21: 2,216 OI2026-10-23: 2,234 OI Oct 09, 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, 2026Viewing2,234+18
Oct 21, 20262,216+5
Oct 16, 20262,211-17
Oct 15, 20262,2280
Oct 14, 20262,2280
Oct 13, 20262,228-5
Oct 09, 20262,233No prior observation