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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $250.00 Put

TSM271217P00250000

Latest saved OI640Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $250.00 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. 6403200 2026-10-02: 625 OI2026-10-05: 625 OI2026-10-06: 625 OI2026-10-07: 625 OI2026-10-08: 625 OI2026-10-09: 625 OI2026-10-14: 625 OI2026-10-15: 625 OI2026-10-16: 614 OI2026-10-21: 635 OI2026-10-23: 640 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, 2026Viewing640+5
Oct 21, 2026635+21
Oct 16, 2026614-11
Oct 15, 20266250
Oct 14, 20266250
Oct 09, 20266250
Oct 08, 20266250
Oct 07, 20266250
Oct 06, 20266250
Oct 05, 20266250
Oct 02, 2026625No prior observation