A Global Registered Share (GRS), or a global share, is a security that is issued in the United States, but it is registered in multiple markets around the world and trades in multiple currencies. GRS's are designed to benefit from diversification. They provide investors with exposure to a broad array of foreign markets, as well as opportunities for portfolio diversification between developed equity markets and emerging markets. These securities are typically traded on a multilateral trading facility or OMX, with the ability to trade in multiple currencies.A GRS can be purchased or sold through an intermediary at any time without incurring additional fees or commissions because of its global registration status on the New York Stock Exchange's International Securities Identification Number System (ISIN).There are times when people want to be able to invest, but don't want to open an account in their local country. They might also like the idea of diversifying their investment by opening multiple accounts. This could mean having a GRS in both their home country and abroad.