What are Dollar-Denominated Securities (DDS)? February 04, 2021 07:30 Updated These are stocks or securities listed, traded, and settled in US Dollar denomination. To invest in DDS, open a dollar-denominated FirstMetroSec account. For instructions, click here. Related articles Why invest in Dollar-Denominated Securities (DDS)? Can I buy DDS using my Peso trading account? Who can trade DDS? What is Voluntary Investment Program (VIP)? What is the FirstMetroSec Margin Account?