. the following table provides information about the sensitivity of dva to a one basis point increase in jpmorgan chase 2019s credit spreads . the sensitivity of dva at december 31 , 2008 , represents the firm ( includ- ing bear stearns ) , while the sensitivity of dva for december 31 , 2007 , represents heritage jpmorgan chase only . debit valuation adjustment sensitivity 1 basis point increase in ( in millions ) jpmorgan chase credit spread .