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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $450.00 Put

TSM280121P00450000

Latest saved OI887Oct 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 $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. 8904450 2026-10-02: 872 OI2026-10-05: 877 OI2026-10-06: 879 OI2026-10-07: 890 OI2026-10-08: 890 OI2026-10-09: 887 OI2026-10-14: 888 OI2026-10-15: 879 OI2026-10-16: 881 OI2026-10-21: 887 OI2026-10-23: 887 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, 2026Viewing8870
Oct 21, 2026887+6
Oct 16, 2026881+2
Oct 15, 2026879-9
Oct 14, 2026888+1
Oct 09, 2026887-3
Oct 08, 20268900
Oct 07, 2026890+11
Oct 06, 2026879+2
Oct 05, 2026877+5
Oct 02, 2026872No prior observation