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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $422.50 Call

TSM261023C00422500

Latest saved OI1,408Oct 23, 2026
Last change+400vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $422.50 call open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 1,4087040 2026-10-14: 0 OI2026-10-15: 45 OI2026-10-16: 217 OI2026-10-21: 1,008 OI2026-10-23: 1,408 OI Oct 14, 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, 2026Viewing1,408+400
Oct 21, 20261,008+791
Oct 16, 2026217+172
Oct 15, 202645+45
Oct 14, 20260No prior observation