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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $345.00 Put

TSM261030P00345000

Latest saved OI367Oct 23, 2026
Last change+258vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $345.00 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. 3671830 2026-10-02: 85 OI2026-10-05: 86 OI2026-10-06: 83 OI2026-10-07: 83 OI2026-10-08: 83 OI2026-10-09: 86 OI2026-10-14: 88 OI2026-10-15: 87 OI2026-10-16: 101 OI2026-10-21: 109 OI2026-10-23: 367 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, 2026Viewing367+258
Oct 21, 2026109+8
Oct 16, 2026101+14
Oct 15, 202687-1
Oct 14, 202688+2
Oct 09, 202686+3
Oct 08, 2026830
Oct 07, 2026830
Oct 06, 202683-3
Oct 05, 202686+1
Oct 02, 202685No prior observation