Concept · From stocks to portfolios (aggregation)
Position weight
A holding's share of portfolio value; the weight that scales its risk and return contribution when positions aggregate.
In depth
A holding's share of portfolio value. Weights scale every position's contribution when betas and residuals aggregate up to the portfolio — the first input to look-through.
Formula
w_i = value_i / Σ_j value_j
In the methodology
Putting it together: the replication equation →Referenced by (0)
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