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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $447.50 Put

TSM261023P00447500

Latest saved OI163Oct 23, 2026
Last change-81vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $447.50 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. 2621310 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 22 OI2026-10-07: 28 OI2026-10-08: 28 OI2026-10-09: 54 OI2026-10-14: 108 OI2026-10-15: 142 OI2026-10-16: 262 OI2026-10-21: 244 OI2026-10-23: 163 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, 2026Viewing163-81
Oct 21, 2026244-18
Oct 16, 2026262+120
Oct 15, 2026142+34
Oct 14, 2026108+54
Oct 09, 202654+26
Oct 08, 2026280
Oct 07, 202628+6
Oct 06, 202622+22
Oct 05, 202600
Oct 02, 20260No prior observation