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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $290.00 Put

TSM271217P00290000

Latest saved OI1,891Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $290.00 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. 1,8959470 2026-10-02: 1,895 OI2026-10-05: 1,895 OI2026-10-06: 1,885 OI2026-10-07: 1,885 OI2026-10-08: 1,885 OI2026-10-09: 1,886 OI2026-10-14: 1,886 OI2026-10-15: 1,886 OI2026-10-16: 1,886 OI2026-10-21: 1,890 OI2026-10-23: 1,891 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, 2026Viewing1,891+1
Oct 21, 20261,890+4
Oct 16, 20261,8860
Oct 15, 20261,8860
Oct 14, 20261,8860
Oct 09, 20261,886+1
Oct 08, 20261,8850
Oct 07, 20261,8850
Oct 06, 20261,885-10
Oct 05, 20261,8950
Oct 02, 20261,895No prior observation