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Contract OI history

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Mar 19, 2027 EXPIRATION

SMCI $40.00 Put

SMCI270319P00040000

Latest saved OI1,372Oct 23, 2026
Last change+50vs 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. 1,3726860 2026-10-09: 1,308 OI2026-10-13: 1,337 OI2026-10-14: 1,337 OI2026-10-15: 1,323 OI2026-10-16: 1,323 OI2026-10-21: 1,322 OI2026-10-23: 1,372 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, 2026Viewing1,372+50
Oct 21, 20261,322-1
Oct 16, 20261,3230
Oct 15, 20261,323-14
Oct 14, 20261,3370
Oct 13, 20261,337+29
Oct 09, 20261,308No prior observation