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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $420.00 Call

TSM261120C00420000

Latest saved OI2,915Oct 23, 2026
Last change-30vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $420.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9451,4720 2026-10-02: 1,798 OI2026-10-05: 1,756 OI2026-10-06: 1,743 OI2026-10-07: 1,973 OI2026-10-08: 1,973 OI2026-10-09: 2,177 OI2026-10-14: 2,240 OI2026-10-15: 2,191 OI2026-10-16: 2,676 OI2026-10-21: 2,945 OI2026-10-23: 2,915 OI Oct 02, 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, 2026Viewing2,915-30
Oct 21, 20262,945+269
Oct 16, 20262,676+485
Oct 15, 20262,191-49
Oct 14, 20262,240+63
Oct 09, 20262,177+204
Oct 08, 20261,9730
Oct 07, 20261,973+230
Oct 06, 20261,743-13
Oct 05, 20261,756-42
Oct 02, 20261,798No prior observation