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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $380.00 Put

TSM270319P00380000

Latest saved OI3,429Oct 23, 2026
Last change+11vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 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. 3,7541,8770 2026-10-02: 3,671 OI2026-10-05: 3,667 OI2026-10-06: 3,677 OI2026-10-07: 3,689 OI2026-10-08: 3,689 OI2026-10-09: 3,716 OI2026-10-14: 3,730 OI2026-10-15: 3,732 OI2026-10-16: 3,754 OI2026-10-21: 3,418 OI2026-10-23: 3,429 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, 2026Viewing3,429+11
Oct 21, 20263,418-336
Oct 16, 20263,754+22
Oct 15, 20263,732+2
Oct 14, 20263,730+14
Oct 09, 20263,716+27
Oct 08, 20263,6890
Oct 07, 20263,689+12
Oct 06, 20263,677+10
Oct 05, 20263,667-4
Oct 02, 20263,671No prior observation