Big Data and AI

  Over the past few decades, finance research has uncovered that asset returns are influenced by multiple underlying risk factors beyond just market exposure. Factor investing and multifactor models have become essential tools for portfolio managers aiming to understand and harness these drivers to build more robust portfolios. What is Factor Investing? Factor investing involves targeting specific characteristics (factors) of securities that have historically delivered persistent risk premia or outperformance relative to the market. These factors capture systematic risks or behavioral anomalies that explain differences in returns across stocks or bonds. Common factors include: Market Risk : Overall exposure to the market (beta). Size : Small-cap stocks tend to outperform large-cap stocks over the long term. Value : Stocks with low price-to-book or price-to-earnings ratios outperform growth stocks. Momentum : Securities that have performed well recently tend to cont...