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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $350.00 Put

TSM280121P00350000

Latest saved OI4,731Oct 23, 2026
Last change+332vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 4,7312,3650 2026-10-02: 4,410 OI2026-10-05: 4,412 OI2026-10-06: 4,410 OI2026-10-07: 4,410 OI2026-10-08: 4,410 OI2026-10-09: 4,404 OI2026-10-14: 4,399 OI2026-10-15: 4,401 OI2026-10-16: 4,400 OI2026-10-21: 4,399 OI2026-10-23: 4,731 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, 2026Viewing4,731+332
Oct 21, 20264,399-1
Oct 16, 20264,400-1
Oct 15, 20264,401+2
Oct 14, 20264,399-5
Oct 09, 20264,404-6
Oct 08, 20264,4100
Oct 07, 20264,4100
Oct 06, 20264,410-2
Oct 05, 20264,412+2
Oct 02, 20264,410No prior observation