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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $350.00 Call

TSM261218C00350000

Latest saved OI877Oct 23, 2026
Last change-25vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 9024510 2026-10-02: 891 OI2026-10-05: 891 OI2026-10-06: 888 OI2026-10-07: 889 OI2026-10-08: 889 OI2026-10-09: 891 OI2026-10-14: 895 OI2026-10-15: 898 OI2026-10-16: 899 OI2026-10-21: 902 OI2026-10-23: 877 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, 2026Viewing877-25
Oct 21, 2026902+3
Oct 16, 2026899+1
Oct 15, 2026898+3
Oct 14, 2026895+4
Oct 09, 2026891+2
Oct 08, 20268890
Oct 07, 2026889+1
Oct 06, 2026888-3
Oct 05, 20268910
Oct 02, 2026891No prior observation