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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $270.00 Put

TSM261120P00270000

Latest saved OI3,110Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $270.00 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. 3,9061,9530 2026-10-02: 1,798 OI2026-10-05: 1,807 OI2026-10-06: 2,034 OI2026-10-07: 2,035 OI2026-10-08: 2,035 OI2026-10-09: 3,881 OI2026-10-14: 3,882 OI2026-10-15: 3,879 OI2026-10-16: 3,906 OI2026-10-21: 3,103 OI2026-10-23: 3,110 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, 2026Viewing3,110+7
Oct 21, 20263,103-803
Oct 16, 20263,906+27
Oct 15, 20263,879-3
Oct 14, 20263,882+1
Oct 09, 20263,881+1,846
Oct 08, 20262,0350
Oct 07, 20262,035+1
Oct 06, 20262,034+227
Oct 05, 20261,807+9
Oct 02, 20261,798No prior observation