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Contract OI history

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Nov 20, 2026 EXPIRATION

UBS $55.00 Put

UBS261120P00055000

Latest saved OI664Oct 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 $55.00 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. 8144070 2026-10-02: 814 OI2026-10-06: 814 OI2026-10-07: 813 OI2026-10-08: 808 OI2026-10-09: 808 OI2026-10-13: 808 OI2026-10-15: 670 OI2026-10-16: 670 OI2026-10-21: 664 OI2026-10-23: 664 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, 2026Viewing6640
Oct 21, 2026664-6
Oct 16, 20266700
Oct 15, 2026670-138
Oct 13, 20268080
Oct 09, 20268080
Oct 08, 2026808-5
Oct 07, 2026813-1
Oct 06, 20268140
Oct 02, 2026814No prior observation