The Irish Stock Exchange (ISE) operates two markets for listing and trading Debt Securities.

• Main Securities Market (MSM)- The Main Securities Market complies with the requirements of European Directives in relation to securities listed and admitted to trading on the Main Securities Market of the ISE.
• Global Exchange Market (GEM) - The Global Exchange Market is an exchange-regulated market and is the successor market to the ISE's Alternative Securities Market. The GEM is a Multilateral Trading Facility as defined in the MiFID Directive.