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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $120.00 Put

TSM261218P00120000

Latest saved OI682Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $120.00 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. 6823410 2026-10-02: 608 OI2026-10-05: 608 OI2026-10-06: 607 OI2026-10-07: 605 OI2026-10-08: 605 OI2026-10-09: 644 OI2026-10-14: 652 OI2026-10-15: 652 OI2026-10-16: 653 OI2026-10-21: 680 OI2026-10-23: 682 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, 2026Viewing682+2
Oct 21, 2026680+27
Oct 16, 2026653+1
Oct 15, 20266520
Oct 14, 2026652+8
Oct 09, 2026644+39
Oct 08, 20266050
Oct 07, 2026605-2
Oct 06, 2026607-1
Oct 05, 20266080
Oct 02, 2026608No prior observation