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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $290.00 Put

TSM270917P00290000

Latest saved OI1,390Oct 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. 1,3906950 2026-10-02: 1,175 OI2026-10-05: 1,175 OI2026-10-06: 1,176 OI2026-10-07: 1,177 OI2026-10-08: 1,177 OI2026-10-09: 1,178 OI2026-10-14: 1,276 OI2026-10-15: 1,276 OI2026-10-16: 1,276 OI2026-10-21: 1,389 OI2026-10-23: 1,390 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, 2026Viewing1,390+1
Oct 21, 20261,389+113
Oct 16, 20261,2760
Oct 15, 20261,2760
Oct 14, 20261,276+98
Oct 09, 20261,178+1
Oct 08, 20261,1770
Oct 07, 20261,177+1
Oct 06, 20261,176+1
Oct 05, 20261,1750
Oct 02, 20261,175No prior observation