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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $160.00 Put

TSM261218P00160000

Latest saved OI1,546Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $160.00 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. 1,5877930 2026-10-02: 1,585 OI2026-10-05: 1,586 OI2026-10-06: 1,587 OI2026-10-07: 1,578 OI2026-10-08: 1,578 OI2026-10-09: 1,578 OI2026-10-14: 1,583 OI2026-10-15: 1,583 OI2026-10-16: 1,585 OI2026-10-21: 1,545 OI2026-10-23: 1,546 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, 2026Viewing1,546+1
Oct 21, 20261,545-40
Oct 16, 20261,585+2
Oct 15, 20261,5830
Oct 14, 20261,583+5
Oct 09, 20261,5780
Oct 08, 20261,5780
Oct 07, 20261,578-9
Oct 06, 20261,587+1
Oct 05, 20261,586+1
Oct 02, 20261,585No prior observation