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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $325.00 Put

TSM261030P00325000

Latest saved OI130Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $325.00 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. 133660 2026-10-02: 26 OI2026-10-05: 132 OI2026-10-06: 132 OI2026-10-07: 132 OI2026-10-08: 132 OI2026-10-09: 133 OI2026-10-14: 132 OI2026-10-15: 131 OI2026-10-16: 130 OI2026-10-21: 132 OI2026-10-23: 130 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, 2026Viewing130-2
Oct 21, 2026132+2
Oct 16, 2026130-1
Oct 15, 2026131-1
Oct 14, 2026132-1
Oct 09, 2026133+1
Oct 08, 20261320
Oct 07, 20261320
Oct 06, 20261320
Oct 05, 2026132+106
Oct 02, 202626No prior observation