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Contract OI history

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Mar 19, 2027 EXPIRATION

SMCI $18.00 Put

SMCI270319P00018000

Latest saved OI1,438Oct 23, 2026
Last change-11vs 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. 1,4497240 2026-10-09: 1,273 OI2026-10-13: 1,273 OI2026-10-14: 1,273 OI2026-10-15: 1,362 OI2026-10-16: 1,336 OI2026-10-21: 1,449 OI2026-10-23: 1,438 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, 2026Viewing1,438-11
Oct 21, 20261,449+113
Oct 16, 20261,336-26
Oct 15, 20261,362+89
Oct 14, 20261,2730
Oct 13, 20261,2730
Oct 09, 20261,273No prior observation