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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $392.50 Put

TSM261106P00392500

Latest saved OI173Oct 23, 2026
Last change+169vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $392.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 173860 2026-10-21: 4 OI2026-10-23: 173 OI Oct 21, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing173+169
Oct 21, 20264No prior observation