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Interview June 27, 2025

Navigating Market Uncertainty with Smarter Risk Models and Data-Driven Strategy

Ronald Ratcliffe, PhD, Managing Director, Head Strategist for Portfolio Analytics, BlackRock, IncLinkedIn profile for Ronald Ratcliffe, PhD

Ronald Ratcliffe, Head Strategist for Portfolio Analytics at BlackRock, discusses how higher interest rates impact liquidity and the importance of diversification across public and private markets. He highlights how AI-driven data acquisition enhances risk modeling, enabling better forecasts and preparedness. Reflecting on past events like Brexit and COVID, he emphasizes the value of historical insights and staying connected through risk community forums.

Ronald Ratcliffe emphasizes the growing need for data-driven decision-making as markets face renewed volatility and higher interest rates.

With liquidity under pressure and wider bid-ask spreads becoming a concern, firms must diversify not just across markets—public and private—but also across asset classes and investment factors. This layered diversification helps maintain balance amid policy uncertainty and shifting economic signals.

By drawing on historical stress events like Brexit, the taper tantrum, and COVID, strategists can prepare for future shocks with greater confidence.

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