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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $410.00 Put

TSM281215P00410000

Latest saved OI398Oct 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 $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. 3981990 2026-10-02: 389 OI2026-10-05: 391 OI2026-10-06: 392 OI2026-10-07: 392 OI2026-10-08: 392 OI2026-10-09: 392 OI2026-10-14: 396 OI2026-10-15: 396 OI2026-10-16: 397 OI2026-10-21: 398 OI2026-10-23: 398 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, 2026Viewing3980
Oct 21, 2026398+1
Oct 16, 2026397+1
Oct 15, 20263960
Oct 14, 2026396+4
Oct 09, 20263920
Oct 08, 20263920
Oct 07, 20263920
Oct 06, 2026392+1
Oct 05, 2026391+2
Oct 02, 2026389No prior observation