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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $105.00 Put

TSM261218P00105000

Latest saved OI1,139Oct 23, 2026
Last change+520vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $105.00 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. 1,1395690 2026-10-02: 445 OI2026-10-05: 447 OI2026-10-06: 448 OI2026-10-07: 471 OI2026-10-08: 471 OI2026-10-09: 568 OI2026-10-14: 598 OI2026-10-15: 629 OI2026-10-16: 635 OI2026-10-21: 619 OI2026-10-23: 1,139 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, 2026Viewing1,139+520
Oct 21, 2026619-16
Oct 16, 2026635+6
Oct 15, 2026629+31
Oct 14, 2026598+30
Oct 09, 2026568+97
Oct 08, 20264710
Oct 07, 2026471+23
Oct 06, 2026448+1
Oct 05, 2026447+2
Oct 02, 2026445No prior observation