Uses of Class
com.quantfinlib.microstructure.EwmaCovariance
Packages that use EwmaCovariance
Package
Description
Order routing, execution algorithms and the venue models they learn
from.
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Uses of EwmaCovariance in com.quantfinlib.execution
Methods in com.quantfinlib.execution with parameters of type EwmaCovarianceModifier and TypeMethodDescriptionvoidPortfolioExecutor.useRiskModel(EwmaCovariance model) Upgrades the capacity allocation from the diagonal approximation to true basket risk: with a covariance model, a bindingmaxIntervalNotionalflows to the symbols whose remaining position contributes most to portfolio variance (EwmaCovariance.marginalContribution(double[], double[])) — two correlated buys carry more joint timing risk than their individual vols admit, and a natural hedge carries less.