Invesco Aerospace & Defense ETF (NYSEMKT:PPA) and State Street SPDR S&P Aerospace & Defense ETF (NYSEMKT:XAR) offer concentrated exposure to the defense industry, though they differ significantly in their weighting methodologies and expense structures. Both funds track the defense and aerospace sectors, but they take different paths to capture this market. While XAR follows a modified equal-weight index to limit individual stock concentration, PPA weights its 68 holdings differently and has been in operation for several more years than its counterpart. Beta measures price volatility relative to the S&P 500; beta is calculated from monthly returns over the available fund history (up to five years). The 1-yr return represents total return over the trailing 12 months. Dividend yield is the trailing-12-month distribution yield.
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