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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $437.50 Call

TSM261120C00437500

Latest saved OI328Oct 23, 2026
Last change+177vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $437.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 3281640 2026-10-21: 151 OI2026-10-23: 328 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, 2026Viewing328+177
Oct 21, 2026151No prior observation