Sun, Jan 21, 2018
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. Legal - Former Och Ziff hedge fund executive indicted for fraud in Africa investment scheme, prosecutor says, Hedge fund blasts defense of Puerto Rico restructuring law[more]

    Former Och Ziff hedge fund executive indicted for fraud in Africa investment scheme, prosecutor says From CNBC.com: A former hedge fund executive faces federal charges for defrauding a UK-based charity over investments in Africa, according to a grand jury indictment made public Wednesday.

  2. U.S. economy, inflation and alternative investments to dominate 2018 markets, says family office Wilmington Trust[more]

    Komfie Manalo, Opalesque Asia: The emergence of a late-cycle economy in the U.S., the mystery of inflation and growth from a domestic and global perspective, and the potential for alternative investments to prosper against a backdrop of rich valuations, low yields, and higher volatility are the t

  3. Performance - Some hedge funds deliver double-digit gains for 2017, Brevan Howard's hedge fund suffers biggest annual loss in 2017, Crispin Odey's flagship hedge fund plummeted about 20% in 2017, Profits fall 90% at ex-Morgan Stanley banker's hedge fund, Fannie-Freddie overhaul might mint hedge fund riches, losses[more]

    Some hedge funds deliver double-digit gains for 2017 From Reuters/Investing.com: A handful of hedge funds ended 2017 with double digit returns, their investors said, at a time the $3 trillion industry took in fresh money and posted its best returns in years, industry data show. Act

  4. Investing - Hedge funds start 2018 with record $19 billion bet on the euro, Hedge fund Kora Management invests in Satin Creditcare[more]

    Hedge funds start 2018 with record $19 billion bet on the euro From Reuters.com: Hedge funds have kicked off 2018 with their biggest bet ever on the euro rising, a clear vote of confidence in the single currency but, with positioning so stretched, one which could backfire in the near ter

  5. News Briefs - Mobius to retire from Franklin Templeton, Authorities decrypt smart phone of Princeton grad charged with killing Manhattan hedge fund dad, Investigators seize (more) antiques from hedge-fund billionaire Michael Steinhardt's collection[more]

    Mobius to retire from Franklin Templeton Emerging markets pioneer Mark Mobius will be stepping down as executive chairman of the Templeton Emerging Markets Group (TEMG) and formally retire from Franklin Templeton on 31 January. He will also be relinquishing his post as portfolio manager