The sub-fund invests at least 2/3 of its assets in USD denominated debt securities such as US treasury debt securities or notes, sovereign government bonds, supranationals bills & notes (defined as securities issues by international organisations, whereby member states transcend national boundaries, mortgage backed securities (both agency and non-agency), corporate bonds including high yield corporate bonds, asset backed securities and other structured debts, money market instruments and deposits , and in financial derivative instruments on this type of asset.