ARK Space & Defense or SPDR Aerospace & Defense: Which ETF Can Power Your Portfolio?

The article compares two aerospace and defense ETFs: ARK Space & Defense Innovation ETF (ARKX) and State Street SPDR S&P Aerospace & Defense ETF (XAR). While ARKX delivers higher 3-year returns (30.4% annualized), XAR is recommended as the better buy due to its lower expense ratio (0.35% vs 0.75%), broader diversification across 50 holdings, lower volatility, and superior 5 and 10-year performance.