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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $240.00 Put

TSM270115P00240000

Latest saved OI3,938Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $240.00 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. 3,9481,9740 2026-10-02: 3,948 OI2026-10-05: 3,947 OI2026-10-06: 3,946 OI2026-10-07: 3,946 OI2026-10-08: 3,946 OI2026-10-09: 3,944 OI2026-10-14: 3,944 OI2026-10-15: 3,944 OI2026-10-16: 3,944 OI2026-10-21: 3,938 OI2026-10-23: 3,938 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, 2026Viewing3,9380
Oct 21, 20263,938-6
Oct 16, 20263,9440
Oct 15, 20263,9440
Oct 14, 20263,9440
Oct 09, 20263,944-2
Oct 08, 20263,9460
Oct 07, 20263,9460
Oct 06, 20263,946-1
Oct 05, 20263,947-1
Oct 02, 20263,948No prior observation