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Contract OI history

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Jan 21, 2028 EXPIRATION

UBS $52.50 Put

UBS280121P00052500

Latest saved OI227Oct 23, 2026
Last change+19vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UBS $52.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2271130 2026-10-02: 208 OI2026-10-06: 208 OI2026-10-07: 208 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-13: 208 OI2026-10-15: 208 OI2026-10-16: 208 OI2026-10-21: 208 OI2026-10-23: 227 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UBS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing227+19
Oct 21, 20262080
Oct 16, 20262080
Oct 15, 20262080
Oct 13, 20262080
Oct 09, 20262080
Oct 08, 20262080
Oct 07, 20262080
Oct 06, 20262080
Oct 02, 2026208No prior observation