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Contract OI history

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Nov 20, 2026 EXPIRATION

SMCI $21.00 Put

SMCI261120P00021000

Latest saved OI543Oct 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 $21.00 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. 5432710 2026-10-09: 449 OI2026-10-13: 449 OI2026-10-14: 449 OI2026-10-15: 449 OI2026-10-16: 454 OI2026-10-21: 534 OI2026-10-23: 543 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, 2026Viewing543+9
Oct 21, 2026534+80
Oct 16, 2026454+5
Oct 15, 20264490
Oct 14, 20264490
Oct 13, 20264490
Oct 09, 2026449No prior observation