The San Francisco Chronicle reports today that there was an unusually large number of puts placed on United and American airline stock in the day before the terrorist attacks. http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2001/09/18/MN63703.DTL Apparently, strong-form efficient market theory sometimes holds. Alex -- Dr. Alexander Tabarrok Vice President and Director of Research The Independent Institute 100 Swan Way Oakland, CA, 94621-1428 Tel. 510-632-1366, FAX: 510-568-6040 Email: [EMAIL PROTECTED]