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Contract OI history

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Nov 27, 2026 EXPIRATION

TSM $280.00 Put

TSM261127P00280000

Latest saved OI108Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $280.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 115570 2026-10-09: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 115 OI2026-10-21: 109 OI2026-10-23: 108 OI Oct 09, 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, 2026Viewing108-1
Oct 21, 2026109-6
Oct 16, 2026115+115
Oct 15, 202600
Oct 14, 202600
Oct 09, 20260No prior observation