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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $340.00 Call

TSM261218C00340000

Latest saved OI774Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 7793890 2026-10-02: 779 OI2026-10-05: 779 OI2026-10-06: 775 OI2026-10-07: 775 OI2026-10-08: 775 OI2026-10-09: 775 OI2026-10-14: 774 OI2026-10-15: 774 OI2026-10-16: 774 OI2026-10-21: 774 OI2026-10-23: 774 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, 2026Viewing7740
Oct 21, 20267740
Oct 16, 20267740
Oct 15, 20267740
Oct 14, 2026774-1
Oct 09, 20267750
Oct 08, 20267750
Oct 07, 20267750
Oct 06, 2026775-4
Oct 05, 20267790
Oct 02, 2026779No prior observation