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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $280.00 Put

TSM270617P00280000

Latest saved OI4,310Oct 23, 2026
Last change-75vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $280.00 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. 4,9582,4790 2026-10-02: 4,958 OI2026-10-05: 4,855 OI2026-10-06: 4,823 OI2026-10-07: 4,823 OI2026-10-08: 4,823 OI2026-10-09: 4,823 OI2026-10-14: 4,823 OI2026-10-15: 4,803 OI2026-10-16: 4,803 OI2026-10-21: 4,385 OI2026-10-23: 4,310 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, 2026Viewing4,310-75
Oct 21, 20264,385-418
Oct 16, 20264,8030
Oct 15, 20264,803-20
Oct 14, 20264,8230
Oct 09, 20264,8230
Oct 08, 20264,8230
Oct 07, 20264,8230
Oct 06, 20264,823-32
Oct 05, 20264,855-103
Oct 02, 20264,958No prior observation