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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $450.00 Put

TSM270617P00450000

Latest saved OI1,648Oct 23, 2026
Last change+13vs 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. 1,6488240 2026-10-02: 1,008 OI2026-10-05: 1,008 OI2026-10-06: 1,009 OI2026-10-07: 996 OI2026-10-08: 996 OI2026-10-09: 998 OI2026-10-14: 1,604 OI2026-10-15: 1,624 OI2026-10-16: 1,626 OI2026-10-21: 1,635 OI2026-10-23: 1,648 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, 2026Viewing1,648+13
Oct 21, 20261,635+9
Oct 16, 20261,626+2
Oct 15, 20261,624+20
Oct 14, 20261,604+606
Oct 09, 2026998+2
Oct 08, 20269960
Oct 07, 2026996-13
Oct 06, 20261,009+1
Oct 05, 20261,0080
Oct 02, 20261,008No prior observation