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Contract OI history

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Jan 21, 2028 EXPIRATION

UBS $55.00 Call

UBS280121C00055000

Latest saved OI437Oct 23, 2026
Last change+6vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UBS $55.00 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. 4372180 2026-10-02: 415 OI2026-10-06: 415 OI2026-10-07: 418 OI2026-10-08: 423 OI2026-10-09: 427 OI2026-10-13: 431 OI2026-10-15: 431 OI2026-10-16: 431 OI2026-10-21: 431 OI2026-10-23: 437 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, 2026Viewing437+6
Oct 21, 20264310
Oct 16, 20264310
Oct 15, 20264310
Oct 13, 2026431+4
Oct 09, 2026427+4
Oct 08, 2026423+5
Oct 07, 2026418+3
Oct 06, 20264150
Oct 02, 2026415No prior observation