Thu, Sep 29, 2016
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. Studies - Hedge funds’ study reveals vast disparity in types of investors securing side letter arrangements, Cambridge: Look to private investments for best access to LatAm growth[more]

    Hedge funds’ study reveals vast disparity in types of investors securing side letter arrangements A new study of the hedge fund space by industry law firm Seward & Kissel LLP reveals a wealth of information regarding established hedge fund managers’ use of side letters—special agreements

  2. Activist News - Caesars 'optimistic' on deal with hedge fund creditors[more]

    From Reuters.com: Caesars Entertainment Corp said on Monday it remains "optimistic" of reaching a $5 billion deal with the bulk of its creditors to push its main operating unit out of bankruptcy, but one hedge fund bondholder said it will pursue litigation. Caesars offered a sweetened $5 billion set

  3. Hedge funds recover from losses as central banks give markets a respite[more]

    Komfie Manalo, Opalesque Asia: The Lyxor Hedge Fund index was up 0.4% from the week ending September 20 (-2.4% YTD), supported by the willingness of central banks to remain accommodative, Lyxor Asset Management said in its weekly briefing. It ad

  4. Perry Capital closing flagship fund after almost three decades[more]

    From Blooomberg.com: Richard Perry, one of the biggest names in hedge funds, is calling it quits after 28 years. Perry, 61, is winding down his New York-based flagship fund as the industry confronts one of the most tumultuous periods in its history. In a letter to investors Monday, he said his style

  5. Eden Rock buys Gottex stake in ERG Asset Management[more]

    Matthias Knab, Opalesque: Eden Rock Group announced the purchase of Gottex’s stake in ERG Asset Management and so the firm is now wholly owned by Eden Rock. The two firms established the joint venture in 2011 to focus on providing cost effective solutions to funds holding illiquid investments, as