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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $345.00 Put

TSM261023P00345000

Latest saved OI356Oct 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 $345.00 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. 3561780 2026-10-02: 215 OI2026-10-05: 208 OI2026-10-06: 319 OI2026-10-07: 308 OI2026-10-08: 308 OI2026-10-09: 307 OI2026-10-14: 309 OI2026-10-15: 311 OI2026-10-16: 312 OI2026-10-21: 343 OI2026-10-23: 356 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, 2026Viewing356+13
Oct 21, 2026343+31
Oct 16, 2026312+1
Oct 15, 2026311+2
Oct 14, 2026309+2
Oct 09, 2026307-1
Oct 08, 20263080
Oct 07, 2026308-11
Oct 06, 2026319+111
Oct 05, 2026208-7
Oct 02, 2026215No prior observation