By default, the Volatility Surface page displays the volatility surface for the current commodity in the pricing page from which it was opened, in the currency defined in that page.
You can then choose to view the commodity's volatility surface in any of the supported currencies.
You select the required currency from the Currency dropdown list, as shown in See "Currency dropdown list in the Volatility Surface page".
Figure 1: Currency dropdown list in the Volatility Surface page
The data displayed in the Volatility Surface page is then redisplayed according to the currency you selected. The forward exchange rates between the commodity’s base currency and the selected currency for the tenors listed in the volatility surface are used for data conversion.