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Contract OI history

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Nov 13, 2026 EXPIRATION

TSM $490.00 Put

TSM261113P00490000

Latest saved OI0Oct 23, 2026
Last change-96vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $490.00 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. 128640 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 124 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 124 OI2026-10-21: 96 OI2026-10-23: 0 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, 2026Viewing0-96
Oct 21, 202696-28
Oct 16, 2026124-4
Oct 15, 20261280
Oct 14, 2026128+4
Oct 09, 2026124+10
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 2026114+114
Oct 05, 202600
Oct 02, 20260No prior observation