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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $422.50 Call

TSM261120C00422500

Latest saved OI341Oct 23, 2026
Last change+161vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $422.50 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. 3411700 2026-10-21: 180 OI2026-10-23: 341 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, 2026Viewing341+161
Oct 21, 2026180No prior observation