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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $375.00 Put

TSM261030P00375000

Latest saved OI893Oct 23, 2026
Last change+482vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $375.00 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. 8934460 2026-10-02: 148 OI2026-10-05: 156 OI2026-10-06: 155 OI2026-10-07: 166 OI2026-10-08: 166 OI2026-10-09: 171 OI2026-10-14: 170 OI2026-10-15: 170 OI2026-10-16: 430 OI2026-10-21: 411 OI2026-10-23: 893 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, 2026Viewing893+482
Oct 21, 2026411-19
Oct 16, 2026430+260
Oct 15, 20261700
Oct 14, 2026170-1
Oct 09, 2026171+5
Oct 08, 20261660
Oct 07, 2026166+11
Oct 06, 2026155-1
Oct 05, 2026156+8
Oct 02, 2026148No prior observation