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Contract OI history

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Jan 21, 2028 EXPIRATION

UBS $42.50 Put

UBS280121P00042500

Latest saved OI1,482Oct 23, 2026
Last change0vs 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. 1,4827410 2026-10-02: 1,451 OI2026-10-06: 1,451 OI2026-10-07: 1,451 OI2026-10-08: 1,451 OI2026-10-09: 1,451 OI2026-10-13: 1,451 OI2026-10-15: 1,482 OI2026-10-16: 1,482 OI2026-10-21: 1,482 OI2026-10-23: 1,482 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, 2026Viewing1,4820
Oct 21, 20261,4820
Oct 16, 20261,4820
Oct 15, 20261,482+31
Oct 13, 20261,4510
Oct 09, 20261,4510
Oct 08, 20261,4510
Oct 07, 20261,4510
Oct 06, 20261,4510
Oct 02, 20261,451No prior observation