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Contract OI history

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Sep 17, 2027 EXPIRATION

TSM $200.00 Put

TSM270917P00200000

Latest saved OI439Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $200.00 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. 4392190 2026-10-02: 427 OI2026-10-05: 426 OI2026-10-06: 438 OI2026-10-07: 425 OI2026-10-08: 425 OI2026-10-09: 425 OI2026-10-14: 424 OI2026-10-15: 424 OI2026-10-16: 424 OI2026-10-21: 439 OI2026-10-23: 439 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, 2026Viewing4390
Oct 21, 2026439+15
Oct 16, 20264240
Oct 15, 20264240
Oct 14, 2026424-1
Oct 09, 20264250
Oct 08, 20264250
Oct 07, 2026425-13
Oct 06, 2026438+12
Oct 05, 2026426-1
Oct 02, 2026427No prior observation