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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $310.00 Put

TSM270917P00310000

Latest saved OI1,915Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $310.00 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. 1,9159570 2026-10-02: 1,877 OI2026-10-05: 1,880 OI2026-10-06: 1,873 OI2026-10-07: 1,873 OI2026-10-08: 1,873 OI2026-10-09: 1,872 OI2026-10-14: 1,881 OI2026-10-15: 1,882 OI2026-10-16: 1,895 OI2026-10-21: 1,912 OI2026-10-23: 1,915 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, 2026Viewing1,915+3
Oct 21, 20261,912+17
Oct 16, 20261,895+13
Oct 15, 20261,882+1
Oct 14, 20261,881+9
Oct 09, 20261,872-1
Oct 08, 20261,8730
Oct 07, 20261,8730
Oct 06, 20261,873-7
Oct 05, 20261,880+3
Oct 02, 20261,877No prior observation