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Pursuant to our discussions this morning, attached is John Griffith's file
regarding the changes in extrinsic value for each of the transport books. As we discussed, each of you should make a determination as to what changes in correlation you should make to offset the decreases in value due to the change in the model. Since you have been using the correlation factor to adjust the values to reflect market, a simple change decreasing these correlations will offset the change in value due to John's "fix". This change simply makes the transport model one step closer to properly reflecting the intra- and inter-month optionality values--Research did review the change and agrees that it is appropriate. If you have any questions, please call me at x35514. John, thanks for your help with this! Greg, please coordinate with the traders when you expect to make this change official in the books so that they can change their correlations accordingly. ---------------------- Forwarded by Colleen Sullivan/HOU/ECT on 12/21/2000 11:28 AM --------------------------- John Griffith@ENRON 12/21/2000 10:20 AM To: Colleen Sullivan/HOU/ECT@ECT cc: Greg Couch/HOU/ECT@ECT, Ed McMichael/HOU/ECT@ECT, Eric Moon/HOU/ECT@ECT Subject: Transport Colleen, Attached is a spreadsheet with 3 sheets - 1 with the 12/19 value, 1 with the changed value and 1 with the difference. Call me with any questions. I am working on explaining why a couple of deals went up in value. Thanks. John
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