in case this escalates. At the height of the crisis the rate hit a low of 2.50%. Jeff Jeffrey M. Matusow JPMorgan Pnvate Bank 140 West 57th Sheet. 33rd Root. New Vot. NY 10019 IRS Circular 230 Disclosure. JPMorgan Chase & Co and its affiliates do not provide tax advice Accordingly, any discussion of U.S.