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Contract OI history

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Dec 15, 2028 EXPIRATION

SMCI $40.00 Put

SMCI281215P00040000

Latest saved OI423Oct 23, 2026
Last change-1vs 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. 4252120 2026-10-09: 425 OI2026-10-13: 424 OI2026-10-14: 424 OI2026-10-15: 424 OI2026-10-16: 424 OI2026-10-21: 424 OI2026-10-23: 423 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, 2026Viewing423-1
Oct 21, 20264240
Oct 16, 20264240
Oct 15, 20264240
Oct 14, 20264240
Oct 13, 2026424-1
Oct 09, 2026425No prior observation