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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $435.00 Put

TSM261023P00435000

Latest saved OI45Oct 23, 2026
Last change-668vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $435.00 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. 9924960 2026-10-02: 318 OI2026-10-05: 463 OI2026-10-06: 480 OI2026-10-07: 499 OI2026-10-08: 499 OI2026-10-09: 590 OI2026-10-14: 667 OI2026-10-15: 992 OI2026-10-16: 678 OI2026-10-21: 713 OI2026-10-23: 45 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, 2026Viewing45-668
Oct 21, 2026713+35
Oct 16, 2026678-314
Oct 15, 2026992+325
Oct 14, 2026667+77
Oct 09, 2026590+91
Oct 08, 20264990
Oct 07, 2026499+19
Oct 06, 2026480+17
Oct 05, 2026463+145
Oct 02, 2026318No prior observation