Everything on Product Performance & Risk

Theme and sector ETFs exhibit high failure rates, systematic benchmark underperformance, and elevated susceptibility to hype-driven capital flows.

Impact: Concentrated thematic products increase portfolio volatility and long-term underperformance, making them unsuitable for core wealth accumulation strategies.

— from Passive Investing Strategy: Costs, Diversification, and Market Efficiency · Asset Class· Mar 24, 2026