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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $340.00 Put

TSM271217P00340000

Latest saved OI732Oct 23, 2026
Last change+19vs 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. 7473730 2026-10-02: 747 OI2026-10-05: 747 OI2026-10-06: 747 OI2026-10-07: 747 OI2026-10-08: 747 OI2026-10-09: 747 OI2026-10-14: 747 OI2026-10-15: 746 OI2026-10-16: 747 OI2026-10-21: 713 OI2026-10-23: 732 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, 2026Viewing732+19
Oct 21, 2026713-34
Oct 16, 2026747+1
Oct 15, 2026746-1
Oct 14, 20267470
Oct 09, 20267470
Oct 08, 20267470
Oct 07, 20267470
Oct 06, 20267470
Oct 05, 20267470
Oct 02, 2026747No prior observation