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Contract OI history

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Nov 20, 2026 EXPIRATION

UBS $42.50 Put

UBS261120P00042500

Latest saved OI1,082Oct 23, 2026
Last change-3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UBS $42.50 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. 1,0855420 2026-10-02: 564 OI2026-10-06: 964 OI2026-10-07: 1,021 OI2026-10-08: 1,022 OI2026-10-09: 1,021 OI2026-10-13: 1,082 OI2026-10-15: 1,082 OI2026-10-16: 1,079 OI2026-10-21: 1,085 OI2026-10-23: 1,082 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, 2026Viewing1,082-3
Oct 21, 20261,085+6
Oct 16, 20261,079-3
Oct 15, 20261,0820
Oct 13, 20261,082+61
Oct 09, 20261,021-1
Oct 08, 20261,022+1
Oct 07, 20261,021+57
Oct 06, 2026964+400
Oct 02, 2026564No prior observation