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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $340.00 Put

TSM270115P00340000

Latest saved OI5,860Oct 23, 2026
Last change+27vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 5,8682,9340 2026-10-02: 5,596 OI2026-10-05: 5,595 OI2026-10-06: 5,605 OI2026-10-07: 5,845 OI2026-10-08: 5,845 OI2026-10-09: 5,845 OI2026-10-14: 5,863 OI2026-10-15: 5,866 OI2026-10-16: 5,868 OI2026-10-21: 5,833 OI2026-10-23: 5,860 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, 2026Viewing5,860+27
Oct 21, 20265,833-35
Oct 16, 20265,868+2
Oct 15, 20265,866+3
Oct 14, 20265,863+18
Oct 09, 20265,8450
Oct 08, 20265,8450
Oct 07, 20265,845+240
Oct 06, 20265,605+10
Oct 05, 20265,595-1
Oct 02, 20265,596No prior observation