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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $450.00 Put

TSM261120P00450000

Latest saved OI3,603Oct 23, 2026
Last change-4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $450.00 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. 3,6071,8030 2026-10-02: 2,103 OI2026-10-05: 2,424 OI2026-10-06: 2,715 OI2026-10-07: 2,798 OI2026-10-08: 2,798 OI2026-10-09: 3,039 OI2026-10-14: 3,261 OI2026-10-15: 3,435 OI2026-10-16: 3,557 OI2026-10-21: 3,607 OI2026-10-23: 3,603 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, 2026Viewing3,603-4
Oct 21, 20263,607+50
Oct 16, 20263,557+122
Oct 15, 20263,435+174
Oct 14, 20263,261+222
Oct 09, 20263,039+241
Oct 08, 20262,7980
Oct 07, 20262,798+83
Oct 06, 20262,715+291
Oct 05, 20262,424+321
Oct 02, 20262,103No prior observation