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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $427.50 Call

TSM261023C00427500

Latest saved OI2,254Oct 23, 2026
Last change+311vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $427.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2541,1270 2026-10-09: 0 OI2026-10-14: 32 OI2026-10-15: 87 OI2026-10-16: 155 OI2026-10-21: 1,943 OI2026-10-23: 2,254 OI Oct 09, 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, 2026Viewing2,254+311
Oct 21, 20261,943+1,788
Oct 16, 2026155+68
Oct 15, 202687+55
Oct 14, 202632+32
Oct 09, 20260No prior observation