Message-ID: <743393.1075857601217.JavaMail.evans@thyme> Date: Mon, 10 Jul 2000 07:31:00 -0700 (PDT) From: john.arnold@enron.com To: vladimir.gorny@enron.com Subject: Re: Forward-forward Vol Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-From: John Arnold X-To: Vladimir Gorny X-cc: X-bcc: X-Folder: \John_Arnold_Dec2000\Notes Folders\'sent mail X-Origin: Arnold-J X-FileName: Jarnold.nsf I'm free from 4:00-5:00 today From: Vladimir Gorny 07/10/2000 02:14 PM To: John Arnold/HOU/ECT@ECT cc: Tanya Tamarchenko/HOU/ECT@ECT, Frank Hayden/Corp/Enron@Enron Subject: Forward-forward Vol John, Per your and Jeff's request, Research and Market Risk Groups have conducted an extensive analysis of the forward-forward vol methodology used in the Value-at-Risk calculation. We analyzed and compared two methodologies: the existing methodology - based on forward (implied) vols an alternative methodology - based on historical vols I would like to schedule about 30 minutes to walk you through the pros and cons of each methodology and get your input. Vlady.