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Contract OI history

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Feb 19, 2027 EXPIRATION

TSM $350.00 Put

TSM270219P00350000

Latest saved OI1,816Oct 23, 2026
Last change+22vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 1,8169080 2026-10-02: 1,691 OI2026-10-05: 1,691 OI2026-10-06: 1,693 OI2026-10-07: 1,695 OI2026-10-08: 1,695 OI2026-10-09: 1,698 OI2026-10-14: 1,701 OI2026-10-15: 1,685 OI2026-10-16: 1,768 OI2026-10-21: 1,794 OI2026-10-23: 1,816 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, 2026Viewing1,816+22
Oct 21, 20261,794+26
Oct 16, 20261,768+83
Oct 15, 20261,685-16
Oct 14, 20261,701+3
Oct 09, 20261,698+3
Oct 08, 20261,6950
Oct 07, 20261,695+2
Oct 06, 20261,693+2
Oct 05, 20261,6910
Oct 02, 20261,691No prior observation