• A representation that characterizes a part of a model (e.g. a growth rate), the value of which is determined outside of the model. See: exogenous variable.

 Embedded terms in definition
 Exogenous variable
Growth rate
 Referenced Terms
 Composite delta: Is the weighted average of the deltas associated with each underlying price scan point. It is used by SPAN® and other systems to simplify portfolio evaluations. SPAN® uses its Composite Delta as the best quick estimate of what the contract's delta will be after the lookahead time has passed. It is included with the risk arrays transmitted in the SPAN® Risk Parameter File.

 Exogenous variable: A variable whose value is determined outside the model in which it is used. Also called a Parameter.

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