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Contract OI history

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Dec 18, 2026 EXPIRATION

SMCI $28.00 Put

SMCI261218P00028000

Latest saved OI5,574Oct 23, 2026
Last change+133vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.00 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. 5,5742,7870 2026-10-09: 5,239 OI2026-10-13: 5,229 OI2026-10-14: 5,229 OI2026-10-15: 5,193 OI2026-10-16: 5,182 OI2026-10-21: 5,441 OI2026-10-23: 5,574 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, 2026Viewing5,574+133
Oct 21, 20265,441+259
Oct 16, 20265,182-11
Oct 15, 20265,193-36
Oct 14, 20265,2290
Oct 13, 20265,229-10
Oct 09, 20265,239No prior observation