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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $430.00 Put

TSM261106P00430000

Latest saved OI567Oct 23, 2026
Last change-6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $430.00 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. 6003000 2026-10-02: 97 OI2026-10-05: 122 OI2026-10-06: 149 OI2026-10-07: 164 OI2026-10-08: 164 OI2026-10-09: 209 OI2026-10-14: 591 OI2026-10-15: 591 OI2026-10-16: 600 OI2026-10-21: 573 OI2026-10-23: 567 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, 2026Viewing567-6
Oct 21, 2026573-27
Oct 16, 2026600+9
Oct 15, 20265910
Oct 14, 2026591+382
Oct 09, 2026209+45
Oct 08, 20261640
Oct 07, 2026164+15
Oct 06, 2026149+27
Oct 05, 2026122+25
Oct 02, 202697No prior observation