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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $125.00 Put

TSM261218P00125000

Latest saved OI653Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $125.00 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. 6533260 2026-10-02: 609 OI2026-10-05: 613 OI2026-10-06: 614 OI2026-10-07: 635 OI2026-10-08: 635 OI2026-10-09: 637 OI2026-10-14: 639 OI2026-10-15: 639 OI2026-10-16: 638 OI2026-10-21: 649 OI2026-10-23: 653 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, 2026Viewing653+4
Oct 21, 2026649+11
Oct 16, 2026638-1
Oct 15, 20266390
Oct 14, 2026639+2
Oct 09, 2026637+2
Oct 08, 20266350
Oct 07, 2026635+21
Oct 06, 2026614+1
Oct 05, 2026613+4
Oct 02, 2026609No prior observation