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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $370.00 Put

TSM270617P00370000

Latest saved OI1,290Oct 23, 2026
Last change-6vs 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. 1,8809400 2026-10-02: 1,880 OI2026-10-05: 1,880 OI2026-10-06: 1,105 OI2026-10-07: 1,079 OI2026-10-08: 1,079 OI2026-10-09: 1,143 OI2026-10-14: 1,143 OI2026-10-15: 1,146 OI2026-10-16: 1,163 OI2026-10-21: 1,296 OI2026-10-23: 1,290 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, 2026Viewing1,290-6
Oct 21, 20261,296+133
Oct 16, 20261,163+17
Oct 15, 20261,146+3
Oct 14, 20261,1430
Oct 09, 20261,143+64
Oct 08, 20261,0790
Oct 07, 20261,079-26
Oct 06, 20261,105-775
Oct 05, 20261,8800
Oct 02, 20261,880No prior observation