<Grid>
    <ListBox x:Name="lstItems">
        <ListBox.ItemTemplate>
            <DataTemplate>
                <StackPanel Orientation="Horizontal">
                    <TextBlock>Value:</TextBlock>
                    <TextBlock Text="{Binding Value}"></TextBlock>
                    <igEditors:XamCurrencyEditor Value="{Binding Value, Mode=OneWay}" IsReadOnly="True"/>
                    <TextBlock>Expected:</TextBlock>
                    <TextBlock Text="{Binding ExpectedValue}"></TextBlock>
                </StackPanel>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>
</Grid>

List<TestItem> values = new List<TestItem>();

values.Add(new TestItem() { Value = 190.449m, ExpectedValue = 190.45m });
values.Add(new TestItem() { Value = 190.445m, ExpectedValue = 190.45m });
values.Add(new TestItem() { Value = 190.444m, ExpectedValue = 190.44m });
values.Add(new TestItem() { Value = 190.441m, ExpectedValue = 190.44m });
lstItems.ItemsSource = values;

Resut:

How can I tell the XamCurrencyEditor to (global) use MidPointRounding.AwayFromZero when displaying data?