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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $410.00 Put

TSM261218P00410000

Latest saved OI5,193Oct 23, 2026
Last change+33vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $410.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,1932,5960 2026-10-02: 2,906 OI2026-10-05: 2,942 OI2026-10-06: 2,892 OI2026-10-07: 2,922 OI2026-10-08: 2,922 OI2026-10-09: 3,996 OI2026-10-14: 3,993 OI2026-10-15: 4,020 OI2026-10-16: 4,482 OI2026-10-21: 5,160 OI2026-10-23: 5,193 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, 2026Viewing5,193+33
Oct 21, 20265,160+678
Oct 16, 20264,482+462
Oct 15, 20264,020+27
Oct 14, 20263,993-3
Oct 09, 20263,996+1,074
Oct 08, 20262,9220
Oct 07, 20262,922+30
Oct 06, 20262,892-50
Oct 05, 20262,942+36
Oct 02, 20262,906No prior observation