iShares MSCI Brazil ETF (EWZ US) – Portfolio Construction MethodologyThe underlying MSCI Brazil 25/50 Index provides free-float-adjusted, market-cap-weighted exposure to Brazil’s large- and mid-cap equities, typically covering ~85% of Brazil’s investable market. Eligibility follows MSCI Global Investable Market Index standards, including foreign-ownership adjustments and liquidity screens; constituents are drawn from the MSCI Brazil Index. A 25/50 capping optimization is applied at each quarterly review (Fe ...