User interface for an electronic trading system for a computer screen

The single FIGURE is a front view of a user interface for an electronic trading system for a computer screen.

The portions shown in broken line are for illustrative purposes only and form no part of the claimed design.

The ornamental design for a user interface for an electronic trading system for a computer screen, as shown and described.

Number	Name	Date	Kind
5712994	Jefferson et al.	Jan 1998	A
6810017	Leong et al.	Oct 2004	B1
20020002528	Terada et al.	Jan 2002	A1
20020038279	Samuelson et al.	Mar 2002	A1
20020055901	Gianakouros et al.	May 2002	A1
20020077954	Slaight et al.	Jun 2002	A1
20020107774	Henninger et al.	Aug 2002	A1
20020107782	Greenberg et al.	Aug 2002	A1
20020109710	Holtz et al.	Aug 2002	A1
20020116314	Spencer et al.	Aug 2002	A1
20020138399	Hayes et al.	Sep 2002	A1
20020138400	Kitchen et al.	Sep 2002	A1
20020194115	Nordlicht et al.	Dec 2002	A1
20020198815	Greifeld et al.	Dec 2002	A1
20030004850	Li et al.	Jan 2003	A1
20030018569	Eisenthal et al.	Jan 2003	A1
20030023536	Hollerman et al.	Jan 2003	A1
20030046219	Rosedale et al.	Mar 2003	A1
20030069836	Penney et al.	Apr 2003	A1
20030083973	Horsfall	May 2003	A1
20030083976	McLister	May 2003	A1
20030093363	Horsfall et al.	May 2003	A1
20030115130	Stump	Jun 2003	A1
20030154151	Biondi et al.	Aug 2003	A1
20030182206	Hendrix et al.	Sep 2003	A1
20030200167	Kemp et al.	Oct 2003	A1
20030225652	Minow et al.	Dec 2003	A1
20030229565	Reddi et al.	Dec 2003	A1
20030229571	May	Dec 2003	A1
20030233307	Salvadori et al.	Dec 2003	A1
20040015430	May	Jan 2004	A1
20040015431	May	Jan 2004	A1
20040031028	Hunt et al.	Feb 2004	A1
20040039681	Cullen et al.	Feb 2004	A1
20040054614	Tell et al.	Mar 2004	A1
20040068460	Feeley et al.	Apr 2004	A1
20040078310	Shaffer	Apr 2004	A1
20040078317	Allen et al.	Apr 2004	A1