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Contract OI history

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Nov 27, 2026 EXPIRATION

TSM $440.00 Put

TSM261127P00440000

Latest saved OI1,060Oct 23, 2026
Last change-12vs previous saved observation
Saved market days8Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $440.00 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. 1,0725360 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 29 OI2026-10-14: 54 OI2026-10-15: 1,057 OI2026-10-16: 1,059 OI2026-10-21: 1,072 OI2026-10-23: 1,060 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, 2026Viewing1,060-12
Oct 21, 20261,072+13
Oct 16, 20261,059+2
Oct 15, 20261,057+1,003
Oct 14, 202654+25
Oct 09, 202629+29
Oct 08, 202600
Oct 07, 20260No prior observation