Traded bond spreads (blue) versus 1 &amp; 10-year KRIS default probabilities (orange &amp; green) for Exxon Mobil $XOM bonds due 2021 via https://t.co/ch2m2jWGVP #credit #creditrisk #creditratings #bonds #corporatebonds #riskmanagement #interestrates https://t.co/fVWjufnIKp