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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $290.00 Put

TSM270617P00290000

Latest saved OI2,804Oct 23, 2026
Last change+4vs 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. 2,8041,4020 2026-10-02: 2,716 OI2026-10-05: 2,726 OI2026-10-06: 2,727 OI2026-10-07: 2,729 OI2026-10-08: 2,729 OI2026-10-09: 2,730 OI2026-10-14: 2,730 OI2026-10-15: 2,730 OI2026-10-16: 2,722 OI2026-10-21: 2,800 OI2026-10-23: 2,804 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, 2026Viewing2,804+4
Oct 21, 20262,800+78
Oct 16, 20262,722-8
Oct 15, 20262,7300
Oct 14, 20262,7300
Oct 09, 20262,730+1
Oct 08, 20262,7290
Oct 07, 20262,729+2
Oct 06, 20262,727+1
Oct 05, 20262,726+10
Oct 02, 20262,716No prior observation