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Contract OI history

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Nov 20, 2026 EXPIRATION

UBS $50.00 Put

UBS261120P00050000

Latest saved OI368Oct 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 $50.00 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. 3881940 2026-10-02: 388 OI2026-10-06: 375 OI2026-10-07: 374 OI2026-10-08: 369 OI2026-10-09: 369 OI2026-10-13: 369 OI2026-10-15: 369 OI2026-10-16: 369 OI2026-10-21: 368 OI2026-10-23: 368 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, 2026Viewing3680
Oct 21, 2026368-1
Oct 16, 20263690
Oct 15, 20263690
Oct 13, 20263690
Oct 09, 20263690
Oct 08, 2026369-5
Oct 07, 2026374-1
Oct 06, 2026375-13
Oct 02, 2026388No prior observation