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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $410.00 Put

TSM261023P00410000

Latest saved OI976Oct 23, 2026
Last change+26vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $410.00 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. 9764880 2026-10-02: 372 OI2026-10-05: 462 OI2026-10-06: 526 OI2026-10-07: 516 OI2026-10-08: 516 OI2026-10-09: 749 OI2026-10-14: 796 OI2026-10-15: 820 OI2026-10-16: 721 OI2026-10-21: 950 OI2026-10-23: 976 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, 2026Viewing976+26
Oct 21, 2026950+229
Oct 16, 2026721-99
Oct 15, 2026820+24
Oct 14, 2026796+47
Oct 09, 2026749+233
Oct 08, 20265160
Oct 07, 2026516-10
Oct 06, 2026526+64
Oct 05, 2026462+90
Oct 02, 2026372No prior observation