iShares MSCI Australia ETF (EWA US) – Portfolio Construction MethodologyThe underlying MSCI Australia Index offers free-float market-cap-weighted exposure to Australian equities, targeting approximately 85% of the Australian Market Investable Equity Universe across large and mid caps. Eligibility follows MSCI GIMI rules: free float assessed via the Foreign Inclusion Factor (FIF) with a minimum effective free float of 15%; for securities under foreign ownership limits, foreign room ≥25% is required for full ...