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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $210.00 Put

TSM270917P00210000

Latest saved OI228Oct 23, 2026
Last change+45vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $210.00 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. 2281140 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 39 OI2026-10-14: 38 OI2026-10-15: 33 OI2026-10-16: 166 OI2026-10-21: 183 OI2026-10-23: 228 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, 2026Viewing228+45
Oct 21, 2026183+17
Oct 16, 2026166+133
Oct 15, 202633-5
Oct 14, 202638-1
Oct 09, 2026390
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 2026390
Oct 05, 2026390
Oct 02, 202639No prior observation