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Contract OI history

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Jan 15, 2027 EXPIRATION

SMCI $18.00 Put

SMCI270115P00018000

Latest saved OI8,570Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $18.00 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. 8,5924,2960 2026-10-09: 8,592 OI2026-10-13: 8,583 OI2026-10-14: 8,583 OI2026-10-15: 8,583 OI2026-10-16: 8,572 OI2026-10-21: 8,561 OI2026-10-23: 8,570 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, 2026Viewing8,570+9
Oct 21, 20268,561-11
Oct 16, 20268,572-11
Oct 15, 20268,5830
Oct 14, 20268,5830
Oct 13, 20268,583-9
Oct 09, 20268,592No prior observation