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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $340.00 Put

TSM261120P00340000

Latest saved OI2,911Oct 23, 2026
Last change+127vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 2,9111,4550 2026-10-02: 2,403 OI2026-10-05: 2,390 OI2026-10-06: 2,333 OI2026-10-07: 2,394 OI2026-10-08: 2,394 OI2026-10-09: 2,236 OI2026-10-14: 2,235 OI2026-10-15: 2,342 OI2026-10-16: 2,402 OI2026-10-21: 2,784 OI2026-10-23: 2,911 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, 2026Viewing2,911+127
Oct 21, 20262,784+382
Oct 16, 20262,402+60
Oct 15, 20262,342+107
Oct 14, 20262,235-1
Oct 09, 20262,236-158
Oct 08, 20262,3940
Oct 07, 20262,394+61
Oct 06, 20262,333-57
Oct 05, 20262,390-13
Oct 02, 20262,403No prior observation