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Contract OI history

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Apr 16, 2027 EXPIRATION

TSM $340.00 Put

TSM270416P00340000

Latest saved OI1,912Oct 23, 2026
Last change-129vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 2,0411,0200 2026-10-02: 607 OI2026-10-05: 607 OI2026-10-06: 610 OI2026-10-07: 610 OI2026-10-08: 610 OI2026-10-09: 823 OI2026-10-14: 843 OI2026-10-15: 865 OI2026-10-16: 1,650 OI2026-10-21: 2,041 OI2026-10-23: 1,912 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, 2026Viewing1,912-129
Oct 21, 20262,041+391
Oct 16, 20261,650+785
Oct 15, 2026865+22
Oct 14, 2026843+20
Oct 09, 2026823+213
Oct 08, 20266100
Oct 07, 20266100
Oct 06, 2026610+3
Oct 05, 20266070
Oct 02, 2026607No prior observation