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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $405.00 Put

TSM261106P00405000

Latest saved OI193Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $405.00 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. 193960 2026-10-02: 46 OI2026-10-05: 42 OI2026-10-06: 55 OI2026-10-07: 57 OI2026-10-08: 57 OI2026-10-09: 145 OI2026-10-14: 129 OI2026-10-15: 143 OI2026-10-16: 162 OI2026-10-21: 188 OI2026-10-23: 193 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, 2026Viewing193+5
Oct 21, 2026188+26
Oct 16, 2026162+19
Oct 15, 2026143+14
Oct 14, 2026129-16
Oct 09, 2026145+88
Oct 08, 2026570
Oct 07, 202657+2
Oct 06, 202655+13
Oct 05, 202642-4
Oct 02, 202646No prior observation