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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $350.00 Put

TSM270917P00350000

Latest saved OI3,665Oct 23, 2026
Last change+34vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 3,6651,8320 2026-10-02: 1,958 OI2026-10-05: 1,958 OI2026-10-06: 1,980 OI2026-10-07: 1,983 OI2026-10-08: 1,983 OI2026-10-09: 1,999 OI2026-10-14: 1,999 OI2026-10-15: 2,014 OI2026-10-16: 3,532 OI2026-10-21: 3,631 OI2026-10-23: 3,665 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, 2026Viewing3,665+34
Oct 21, 20263,631+99
Oct 16, 20263,532+1,518
Oct 15, 20262,014+15
Oct 14, 20261,9990
Oct 09, 20261,999+16
Oct 08, 20261,9830
Oct 07, 20261,983+3
Oct 06, 20261,980+22
Oct 05, 20261,9580
Oct 02, 20261,958No prior observation