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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $375.00 Put

TSM261120P00375000

Latest saved OI315Oct 23, 2026
Last change+235vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $375.00 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. 3151570 2026-10-21: 80 OI2026-10-23: 315 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, 2026Viewing315+235
Oct 21, 202680No prior observation