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Contract OI history

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Nov 20, 2026 EXPIRATION

SMTC $145.00 Put

SMTC261120P00145000

Latest saved OI268Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMTC $145.00 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. 2681340 2026-10-09: 117 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 162 OI2026-10-16: 160 OI2026-10-21: 244 OI2026-10-23: 268 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, 2026Viewing268+24
Oct 21, 2026244+84
Oct 16, 2026160-2
Oct 15, 2026162+42
Oct 14, 20261200
Oct 13, 2026120+3
Oct 09, 2026117No prior observation