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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $420.00 Call

TSM281215C00420000

Latest saved OI929Oct 23, 2026
Last change-3vs 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. 9324660 2026-10-02: 915 OI2026-10-05: 912 OI2026-10-06: 906 OI2026-10-07: 907 OI2026-10-08: 907 OI2026-10-09: 909 OI2026-10-14: 912 OI2026-10-15: 912 OI2026-10-16: 919 OI2026-10-21: 932 OI2026-10-23: 929 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, 2026Viewing929-3
Oct 21, 2026932+13
Oct 16, 2026919+7
Oct 15, 20269120
Oct 14, 2026912+3
Oct 09, 2026909+2
Oct 08, 20269070
Oct 07, 2026907+1
Oct 06, 2026906-6
Oct 05, 2026912-3
Oct 02, 2026915No prior observation