Value-at-risk (VAR)
Margin notes
Brett Humphreys explains how to measure and manage margin risk, an often-overlooked – yet often-significant – risk exposure
Enough’s enough
Brett Humphreys takes the guesswork out of determining how many simulations are needed to calculate value-at-risk
Getting stressed
To understand how much value can be lost from a position in the energy markets, we need to use measures other than value-at-risk. Brett Humphreys discusses methods for creating effective stress tests
Var too far
The energy industry has shown tremendous commitment to value-at-risk (Var) methodologies. But use of Var has been misguided, as James Ockenden discovers