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Contract OI history

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Nov 27, 2026 EXPIRATION

TSM $475.00 Put

TSM261127P00475000

Latest saved OI11Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $475.00 put open interest history 8 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 1150 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 10 OI2026-10-21: 11 OI2026-10-23: 11 OI Oct 07, 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, 2026Viewing110
Oct 21, 202611+1
Oct 16, 202610+5
Oct 15, 202650
Oct 14, 20265+5
Oct 09, 202600
Oct 08, 202600
Oct 07, 20260No prior observation