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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $380.00 Put

TSM270917P00380000

Latest saved OI847Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 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. 8644320 2026-10-02: 847 OI2026-10-05: 864 OI2026-10-06: 851 OI2026-10-07: 851 OI2026-10-08: 851 OI2026-10-09: 852 OI2026-10-14: 851 OI2026-10-15: 837 OI2026-10-16: 807 OI2026-10-21: 845 OI2026-10-23: 847 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, 2026Viewing847+2
Oct 21, 2026845+38
Oct 16, 2026807-30
Oct 15, 2026837-14
Oct 14, 2026851-1
Oct 09, 2026852+1
Oct 08, 20268510
Oct 07, 20268510
Oct 06, 2026851-13
Oct 05, 2026864+17
Oct 02, 2026847No prior observation