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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $195.00 Put

TSM280121P00195000

Latest saved OI196Oct 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 $195.00 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. 2001000 2026-10-02: 187 OI2026-10-05: 187 OI2026-10-06: 197 OI2026-10-07: 200 OI2026-10-08: 200 OI2026-10-09: 200 OI2026-10-14: 200 OI2026-10-15: 196 OI2026-10-16: 196 OI2026-10-21: 196 OI2026-10-23: 196 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, 2026Viewing1960
Oct 21, 20261960
Oct 16, 20261960
Oct 15, 2026196-4
Oct 14, 20262000
Oct 09, 20262000
Oct 08, 20262000
Oct 07, 2026200+3
Oct 06, 2026197+10
Oct 05, 20261870
Oct 02, 2026187No prior observation