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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $412.50 Put

TSM261106P00412500

Latest saved OI126Oct 23, 2026
Last change+90vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $412.50 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. 126630 2026-10-21: 36 OI2026-10-23: 126 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, 2026Viewing126+90
Oct 21, 202636No prior observation