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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $450.00 Put

TSM270917P00450000

Latest saved OI2,143Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $450.00 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. 2,1551,0770 2026-10-02: 2,120 OI2026-10-05: 2,123 OI2026-10-06: 2,153 OI2026-10-07: 2,152 OI2026-10-08: 2,152 OI2026-10-09: 2,155 OI2026-10-14: 2,155 OI2026-10-15: 2,150 OI2026-10-16: 2,147 OI2026-10-21: 2,144 OI2026-10-23: 2,143 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, 2026Viewing2,143-1
Oct 21, 20262,144-3
Oct 16, 20262,147-3
Oct 15, 20262,150-5
Oct 14, 20262,1550
Oct 09, 20262,155+3
Oct 08, 20262,1520
Oct 07, 20262,152-1
Oct 06, 20262,153+30
Oct 05, 20262,123+3
Oct 02, 20262,120No prior observation