Introduction Many traders believe they have achieved proper diversification simply by holding multiple positions across different markets. However, this surface-level approach often fails to protect against systemic risks that can devastate portfolios during market turbulence. The reality is that seemingly unrelated assets frequently move in tandem during periods of market stress, creating hidden concentrations that undermine diversification efforts. This article explores advanced techniques for identifying and managing correlation risk in your trading portfolio. You will learn how to conduct factor analysis to uncover hidden relationships between assets, implement effective diversification strategies across truly uncorrelated instruments , and develop a systematic approach to portfolio construction that withstands market volatility. By mastering these concepts, you can transform your risk management framework from reactive to proactive, significantly improving your portfolio's ...