Invesco S&P 500 Equal Weight ETF (RSP US) – Portfolio Construction MethodologyThe underlying S&P 500 Equal Weight Index offers a company-level equal-weight reconstitution of the S&P 500, assigning each constituent the same target weight (1/N) at each quarterly rebalance. Selection follows the S&P 500’s eligibility and maintenance rules; sector and company counts therefore mirror the parent universe except for temporary corporate-action lags. At each rebalance, index shares are set so that all companies carr ...