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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $400.00 Call

TSM281215C00400000

Latest saved OI4,603Oct 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 $400.00 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. 4,6032,3010 2026-10-02: 4,478 OI2026-10-05: 4,474 OI2026-10-06: 4,463 OI2026-10-07: 4,464 OI2026-10-08: 4,464 OI2026-10-09: 4,461 OI2026-10-14: 4,465 OI2026-10-15: 4,467 OI2026-10-16: 4,492 OI2026-10-21: 4,600 OI2026-10-23: 4,603 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, 2026Viewing4,603+3
Oct 21, 20264,600+108
Oct 16, 20264,492+25
Oct 15, 20264,467+2
Oct 14, 20264,465+4
Oct 09, 20264,461-3
Oct 08, 20264,4640
Oct 07, 20264,464+1
Oct 06, 20264,463-11
Oct 05, 20264,474-4
Oct 02, 20264,478No prior observation