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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $140.00 Put

TSM261218P00140000

Latest saved OI1,126Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $140.00 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. 1,1265630 2026-10-02: 1,105 OI2026-10-05: 1,105 OI2026-10-06: 1,105 OI2026-10-07: 1,106 OI2026-10-08: 1,106 OI2026-10-09: 1,106 OI2026-10-14: 1,106 OI2026-10-15: 1,106 OI2026-10-16: 1,106 OI2026-10-21: 1,109 OI2026-10-23: 1,126 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, 2026Viewing1,126+17
Oct 21, 20261,109+3
Oct 16, 20261,1060
Oct 15, 20261,1060
Oct 14, 20261,1060
Oct 09, 20261,1060
Oct 08, 20261,1060
Oct 07, 20261,106+1
Oct 06, 20261,1050
Oct 05, 20261,1050
Oct 02, 20261,105No prior observation