“Float-adjusted market cap” weighing method (S&P 500®, no date).
“maintain the continuity of an index level following the implementation of corporate actions, index rebalancing events, or other non-market driven actions” (Index Mathematics Methodology, 2023). “the figure is scaled to a more easily handled number (e.g., 2000)” (Index Mathematics Methodology, 2023).
“free-float methodology tends to reflect market trends” (J. Chen, 2020)
Free float methodology used is consider to represent the market better as it only considers the available shares, not the restricted shares. (A. Kumar, no date).
“free-float methodology tends to reflect market trends” (J. Chen, 2020).