Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $260.00 Put

TSM261030P00260000

Latest saved OI333Oct 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 $260.00 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. 3331660 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 121 OI2026-10-21: 331 OI2026-10-23: 333 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, 2026Viewing333+2
Oct 21, 2026331+210
Oct 16, 2026121+6
Oct 15, 20261150
Oct 14, 20261150
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 2026115No prior observation