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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $392.50 Put

TSM261030P00392500

Latest saved OI293Oct 23, 2026
Last change+256vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $392.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 2931460 2026-10-21: 37 OI2026-10-23: 293 OI Oct 21, 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, 2026Viewing293+256
Oct 21, 202637No prior observation