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Contract OI history

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Nov 20, 2026 EXPIRATION

SMTC $140.00 Put

SMTC261120P00140000

Latest saved OI580Oct 23, 2026
Last change-12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMTC $140.00 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. 5922960 2026-10-09: 338 OI2026-10-13: 538 OI2026-10-14: 538 OI2026-10-15: 537 OI2026-10-16: 551 OI2026-10-21: 592 OI2026-10-23: 580 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, 2026Viewing580-12
Oct 21, 2026592+41
Oct 16, 2026551+14
Oct 15, 2026537-1
Oct 14, 20265380
Oct 13, 2026538+200
Oct 09, 2026338No prior observation