After calculating the profit per unit the next step in calculating the ROI for a sampling investment calculate the number of converters needed to break even .
A "sample" of assets from the underlying index is referred to as a sampling strategy. For instance, if an ETF holds only 80% of the securities from its underlying index, it is sampling from the index rather than faithfully replicating it.
Purchasing all of the stocks that make up the index is known as full replication. Optimization: Purchasing the index securities that, based on correlations, exposure, and risk, offer the most accurate sample of the index.
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