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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $550.00 Call

TSM261218C00550000

Latest saved OI8,156Oct 23, 2026
Last change-11vs 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. 8,2964,1480 2026-10-02: 6,383 OI2026-10-05: 6,392 OI2026-10-06: 7,608 OI2026-10-07: 7,599 OI2026-10-08: 7,599 OI2026-10-09: 8,296 OI2026-10-14: 8,201 OI2026-10-15: 8,209 OI2026-10-16: 8,175 OI2026-10-21: 8,167 OI2026-10-23: 8,156 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, 2026Viewing8,156-11
Oct 21, 20268,167-8
Oct 16, 20268,175-34
Oct 15, 20268,209+8
Oct 14, 20268,201-95
Oct 09, 20268,296+697
Oct 08, 20267,5990
Oct 07, 20267,599-9
Oct 06, 20267,608+1,216
Oct 05, 20266,392+9
Oct 02, 20266,383No prior observation