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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $340.00 Put

TSM270617P00340000

Latest saved OI2,873Oct 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 $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. 2,8731,4360 2026-10-02: 2,141 OI2026-10-05: 2,148 OI2026-10-06: 2,126 OI2026-10-07: 2,126 OI2026-10-08: 2,126 OI2026-10-09: 2,132 OI2026-10-14: 2,756 OI2026-10-15: 2,767 OI2026-10-16: 2,834 OI2026-10-21: 2,864 OI2026-10-23: 2,873 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, 2026Viewing2,873+9
Oct 21, 20262,864+30
Oct 16, 20262,834+67
Oct 15, 20262,767+11
Oct 14, 20262,756+624
Oct 09, 20262,132+6
Oct 08, 20262,1260
Oct 07, 20262,1260
Oct 06, 20262,126-22
Oct 05, 20262,148+7
Oct 02, 20262,141No prior observation