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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $360.00 Put

TSM261218P00360000

Latest saved OI20,226Oct 23, 2026
Last change+106vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $360.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 21,00510,5020 2026-10-02: 21,005 OI2026-10-05: 20,212 OI2026-10-06: 19,908 OI2026-10-07: 19,909 OI2026-10-08: 19,909 OI2026-10-09: 19,924 OI2026-10-14: 19,891 OI2026-10-15: 19,970 OI2026-10-16: 19,974 OI2026-10-21: 20,120 OI2026-10-23: 20,226 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, 2026Viewing20,226+106
Oct 21, 202620,120+146
Oct 16, 202619,974+4
Oct 15, 202619,970+79
Oct 14, 202619,891-33
Oct 09, 202619,924+15
Oct 08, 202619,9090
Oct 07, 202619,909+1
Oct 06, 202619,908-304
Oct 05, 202620,212-793
Oct 02, 202621,005No prior observation