Below we provide 5-year CDS (credit default swap) price charts for the six largest US banks and brokers going back to the start of 2010. As shown, Morgan Stanley (MS) has the highest default risk of the bunch at 348 basis points. Bank of America (BAC) has the second highest default risk, followed by Goldman Sachs (GS). JPMorgan (JPM) has the second to lowest default risk at 120 basis points, while Wells Fargo (WFC) has the lowest at 99 basis points. It looks like there's a reason Wells Fargo is now the biggest bank in the US.