by Yong Li
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Suggested foundations for portfolio construction and financial time series. Specialist prerequisites vary by paper.
Understand the covariance structure of portfolio risk.
Read objectives, constraints and optimality conditions.
Check whether a relationship can be estimated consistently over time.
Read the fitted relationship and its residuals.
Construct allocations and examine sensitivity to estimated inputs.
Turn mathematical weights into feasible portfolio decisions.
Study long-run relationships without confusing them with correlation.
Connect diversification, common risk factors, investor views, and the properties of a risk measure.
Choose a reproducible strategy, specify the trading rule, and test what remains after costs and estimation uncertainty.