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Contract OI history

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Nov 13, 2026 EXPIRATION

TSM $430.00 Put

TSM261113P00430000

Latest saved OI227Oct 23, 2026
Last change0vs 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. 3031510 2026-10-02: 0 OI2026-10-05: 183 OI2026-10-06: 210 OI2026-10-07: 211 OI2026-10-08: 211 OI2026-10-09: 303 OI2026-10-14: 227 OI2026-10-15: 245 OI2026-10-16: 249 OI2026-10-21: 227 OI2026-10-23: 227 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, 2026Viewing2270
Oct 21, 2026227-22
Oct 16, 2026249+4
Oct 15, 2026245+18
Oct 14, 2026227-76
Oct 09, 2026303+92
Oct 08, 20262110
Oct 07, 2026211+1
Oct 06, 2026210+27
Oct 05, 2026183+183
Oct 02, 20260No prior observation