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Contract OI history

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Nov 06, 2026 EXPIRATION

TSM $355.00 Put

TSM261106P00355000

Latest saved OI481Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $355.00 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. 4812400 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 10 OI2026-10-07: 11 OI2026-10-08: 11 OI2026-10-09: 10 OI2026-10-14: 15 OI2026-10-15: 14 OI2026-10-16: 219 OI2026-10-21: 474 OI2026-10-23: 481 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, 2026Viewing481+7
Oct 21, 2026474+255
Oct 16, 2026219+205
Oct 15, 202614-1
Oct 14, 202615+5
Oct 09, 202610-1
Oct 08, 2026110
Oct 07, 202611+1
Oct 06, 202610+1
Oct 05, 202690
Oct 02, 20269No prior observation