Wed, Jul 23, 2014
A A A
Welcome Guest
Free Trial RSS
Get FREE trial access to our award winning publications
Alternative Market Briefing

Other Voices: Uncovering hidden insights from your VAR engine data

Friday, July 22, 2011

The following post was written by John Doran, Principal, SunGard Global Services’ Energy Practice. Value at Risk (VaR) is a popular metric used in risk management. While it gained popularity in the 1980s after the market crash of 1987, today it is being scrutinized after the market crash of 2008 due to extreme tail events that were not properly identified or mitigated.

Visibility into the behavior of the tail or the distribution of the simulated paths is generally not communicated to the stakeholders that use the metric. These simulated paths, while having low probability, have the potential to cause serious harm to trading operations. However, new visualization techniques are emerging that make it possible to increase transparency around risk, enhance process efficiencies, and boost revenue opportunity.

But first, let’s look at two main challenges. One of the primary problems with VaR is the fact that it is just a single number. Nothing about the behavior on the extreme tail or the distribution of the simulated paths is generally communicated to the stakeholders that use the metric.

The other major challenge with VaR is the fact that it is non-additive. VaR can be broken down into component levels, but one cannot add and subtract these values. However, detailed simulation trials from Monte Carlo can be added and subtracted from one a......................

To view our full article Click here

Today's Exclusives Today's Other Voices More Exclusives
Previous Opalesque Exclusives                                  
More Other Voices
Previous Other Voices                                               
Access Alternative Market Briefing
  • Top Forwarded
  • Top Tracked
  • Top Searched
  1. Events – AIMA Australian Hedge Fund Forum, Sept. 16, Sydney[more]

    AIMA Australia invite you to join us at our annual Hedge Fund Forum on Tuesday 16th September 2014 at the Sofitel Sydney Wentworth. The AIMA Australian Hedge Fund Forum is a non-profit hedge fund conference organised by the industry for the industry, featuring quality Australian and internation

  2. Opalesque Exclusive: Loeb, Grantham cite growing economic concerns in letters[more]

    Bailey McCann, Opalesque New York: Hedge fund manager Daniel Loeb, head of Third Point, and Jeremy Grantham of Grantham, Mayo, Van Otterloo & Co. have both released their quarterly investor letters today. While news is positive on some fronts, and both men see pockets of opportunity, they also h

  3. Investing – Hedge funds expect Netflix earnings to catapult forward, Third Point's Loeb takes stakes in Fibra Uno, YPF, Royal DSM, Lake Capital in talks to back Engine Group[more]

    Hedge funds expect Netflix earnings to catapult forward From Investing.com: Netflix has made major strides forward in 2014 despite ongoing battles with the FCC and cable companies over the issue of net neutrality. The FCC has now received over 500,000 comments from the public on its pend

  4. Opalesque Roundtable: European family offices struggle to retain their investments in offshore hedge funds[more]

    Komfie Manalo, Opalesque Asia: The European Union’s Alternative Investment Fund Managers Directive (AIFMD) will constrain investment opportunities amidst concern a number of U.S. fund managers will stop marketing their products in the European Union under the new rule, said Valentin Bohländer fro

  5. Opalesque Roundtable: Success in hedge fund marketing not linked to performance, but investor appetite[more]

    Komfie Manalo, Opalesque Asia: Success in marketing a fund is not linked to the performance, but to investor appetite, to the way you can market the fund, and to how much time you can spend to raise assets, said Antoine Rolland, the CEO of incubator and seeding firm