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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $290.00 Put

TSM261120P00290000

Latest saved OI2,564Oct 23, 2026
Last change+3vs 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. 2,6121,3060 2026-10-02: 2,591 OI2026-10-05: 2,592 OI2026-10-06: 2,591 OI2026-10-07: 2,591 OI2026-10-08: 2,591 OI2026-10-09: 2,590 OI2026-10-14: 2,590 OI2026-10-15: 2,588 OI2026-10-16: 2,612 OI2026-10-21: 2,561 OI2026-10-23: 2,564 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, 2026Viewing2,564+3
Oct 21, 20262,561-51
Oct 16, 20262,612+24
Oct 15, 20262,588-2
Oct 14, 20262,5900
Oct 09, 20262,590-1
Oct 08, 20262,5910
Oct 07, 20262,5910
Oct 06, 20262,591-1
Oct 05, 20262,592+1
Oct 02, 20262,591No prior observation