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Contract OI history

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Jan 21, 2028 EXPIRATION

UBS $40.00 Call

UBS280121C00040000

Latest saved OI109Oct 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 $40.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 114570 2026-10-02: 114 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-09: 114 OI2026-10-13: 109 OI2026-10-15: 109 OI2026-10-16: 109 OI2026-10-21: 109 OI2026-10-23: 109 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, 2026Viewing1090
Oct 21, 20261090
Oct 16, 20261090
Oct 15, 20261090
Oct 13, 2026109-5
Oct 09, 20261140
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 20261140
Oct 02, 2026114No prior observation