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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $370.00 Put

TSM270917P00370000

Latest saved OI848Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 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. 8494240 2026-10-02: 575 OI2026-10-05: 572 OI2026-10-06: 576 OI2026-10-07: 579 OI2026-10-08: 579 OI2026-10-09: 615 OI2026-10-14: 625 OI2026-10-15: 635 OI2026-10-16: 645 OI2026-10-21: 849 OI2026-10-23: 848 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, 2026Viewing848-1
Oct 21, 2026849+204
Oct 16, 2026645+10
Oct 15, 2026635+10
Oct 14, 2026625+10
Oct 09, 2026615+36
Oct 08, 20265790
Oct 07, 2026579+3
Oct 06, 2026576+4
Oct 05, 2026572-3
Oct 02, 2026575No prior observation