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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $550.00 Call

TSM280121C00550000

Latest saved OI3,846Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $550.00 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. 3,8461,9230 2026-10-02: 3,749 OI2026-10-05: 3,758 OI2026-10-06: 3,773 OI2026-10-07: 3,788 OI2026-10-08: 3,788 OI2026-10-09: 3,816 OI2026-10-14: 3,816 OI2026-10-15: 3,817 OI2026-10-16: 3,834 OI2026-10-21: 3,837 OI2026-10-23: 3,846 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, 2026Viewing3,846+9
Oct 21, 20263,837+3
Oct 16, 20263,834+17
Oct 15, 20263,817+1
Oct 14, 20263,8160
Oct 09, 20263,816+28
Oct 08, 20263,7880
Oct 07, 20263,788+15
Oct 06, 20263,773+15
Oct 05, 20263,758+9
Oct 02, 20263,749No prior observation