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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $240.00 Put

TSM271217P00240000

Latest saved OI728Oct 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 $240.00 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. 7283640 2026-10-02: 727 OI2026-10-05: 727 OI2026-10-06: 727 OI2026-10-07: 727 OI2026-10-08: 727 OI2026-10-09: 727 OI2026-10-14: 726 OI2026-10-15: 727 OI2026-10-16: 727 OI2026-10-21: 727 OI2026-10-23: 728 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, 2026Viewing728+1
Oct 21, 20267270
Oct 16, 20267270
Oct 15, 2026727+1
Oct 14, 2026726-1
Oct 09, 20267270
Oct 08, 20267270
Oct 07, 20267270
Oct 06, 20267270
Oct 05, 20267270
Oct 02, 2026727No prior observation