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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $390.00 Put

TSM270617P00390000

Latest saved OI949Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $390.00 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. 1,1155570 2026-10-02: 780 OI2026-10-05: 780 OI2026-10-06: 1,013 OI2026-10-07: 1,111 OI2026-10-08: 1,111 OI2026-10-09: 1,115 OI2026-10-14: 1,115 OI2026-10-15: 862 OI2026-10-16: 872 OI2026-10-21: 932 OI2026-10-23: 949 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, 2026Viewing949+17
Oct 21, 2026932+60
Oct 16, 2026872+10
Oct 15, 2026862-253
Oct 14, 20261,1150
Oct 09, 20261,115+4
Oct 08, 20261,1110
Oct 07, 20261,111+98
Oct 06, 20261,013+233
Oct 05, 20267800
Oct 02, 2026780No prior observation