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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $430.00 Put

TSM261120P00430000

Latest saved OI4,184Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $430.00 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. 6,6573,3280 2026-10-02: 3,774 OI2026-10-05: 3,840 OI2026-10-06: 4,010 OI2026-10-07: 4,083 OI2026-10-08: 4,083 OI2026-10-09: 4,191 OI2026-10-14: 6,047 OI2026-10-15: 6,657 OI2026-10-16: 4,345 OI2026-10-21: 4,183 OI2026-10-23: 4,184 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, 2026Viewing4,184+1
Oct 21, 20264,183-162
Oct 16, 20264,345-2,312
Oct 15, 20266,657+610
Oct 14, 20266,047+1,856
Oct 09, 20264,191+108
Oct 08, 20264,0830
Oct 07, 20264,083+73
Oct 06, 20264,010+170
Oct 05, 20263,840+66
Oct 02, 20263,774No prior observation