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

As it stands, value-at-risk (Var) may have had its day in the energy industry. Developed mainly for use in financial markets as a single-figure measure of risk, its methodologies were embraced by the new breed of speculative energy trading houses. Not only did misuse and misunderstanding of the measure by such traders give Var a bad name, but also the industry shift away from pure trading to