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Contract OI history

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Nov 13, 2026 EXPIRATION

TSM $235.00 Put

TSM261113P00235000

Latest saved OI370Oct 23, 2026
Last change+349vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $235.00 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. 3701850 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 3 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 11 OI2026-10-21: 21 OI2026-10-23: 370 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, 2026Viewing370+349
Oct 21, 202621+10
Oct 16, 202611+4
Oct 15, 202670
Oct 14, 20267+4
Oct 09, 202630
Oct 08, 202630
Oct 07, 202630
Oct 06, 20263+3
Oct 05, 202600
Oct 02, 20260No prior observation