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Contract OI history

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Jun 16, 2028 EXPIRATION

TSM $440.00 Put

TSM280616P00440000

Latest saved OI52Oct 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 $440.00 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. 52260 2026-10-02: 11 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-14: 12 OI2026-10-15: 47 OI2026-10-16: 52 OI2026-10-21: 52 OI2026-10-23: 52 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, 2026Viewing520
Oct 21, 2026520
Oct 16, 202652+5
Oct 15, 202647+35
Oct 14, 2026120
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 202612+1
Oct 02, 202611No prior observation