MSCI Barra Global Total Market Equity Trading Model (GEMTRD) is a global equity trading risk model that helps institutional investors analyze portfolio risk, measure factor exposures, forecast volatility, and optimize portfolio construction. The model covers developed, emerging, and frontier markets and provides daily estimates for style, industry, country, and currency risk factors. GEMTRD supports risk decomposition, performance attribution, stress testing, and quantitative portfolio management for global equity portfolios.