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Contract OI history

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Dec 18, 2026 EXPIRATION

SMTC $145.00 Call

SMTC261218C00145000

Latest saved OI863Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMTC $145.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3026510 2026-10-09: 1,302 OI2026-10-13: 1,301 OI2026-10-14: 1,301 OI2026-10-15: 1,301 OI2026-10-16: 1,091 OI2026-10-21: 862 OI2026-10-23: 863 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMTC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing863+1
Oct 21, 2026862-229
Oct 16, 20261,091-210
Oct 15, 20261,3010
Oct 14, 20261,3010
Oct 13, 20261,301-1
Oct 09, 20261,302No prior observation