Investment grade

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A bond is considered investment grade or IG if its credit rating is BBB- or higher by Standard & Poor's or Baa3 or higher by Moody's or BBB(low) or higher by DBRS. Generally they are bonds that are judged by the rating agency as likely enough to meet payment obligations that banks are allowed to invest in them.

Ratings play a critical role in determining how much companies and other entities that issue debt, including sovereign governments, have to pay to access credit markets, i.e., the amount of interest they pay on their issued debt. The threshold between investment-grade and speculative-grade ratings has important market implications for issuers' borrowing costs.

Bonds that are not rated as investment-grade bonds are known as high yield bonds or more derisively as junk bonds.

The risks associated with investment-grade bonds (or investment-grade corporate debt) are considered noticeably higher than in the case of first-class government bonds. The difference between rates for first-class government bonds and investment-grade bonds is called investment-grade spread. It is an indicator for the market's belief in the stability of the economy. The higher these investment-grade spreads (or risk premiums) are, the weaker the economy is considered.

Moody's S&P Fitch  
Long Term Short Term Long Term Short Term Long Term Short Term  
Aaa P-1 AAA A-1+ AAA A1+ Prime
Aa1 AA+ AA+ High grade
Aa2 AA AA
Aa3 AA− AA−
A1 A+ A-1 A+ A1 Upper Medium grade
A2 A A
A3 P-2 A− A-2 A− A2
Baa1 BBB+ BBB+ Lower Medium grade
Baa2 P-3 BBB A-3 BBB A3
Baa3 BBB− BBB−
Ba1 Not Prime BB+ B BB+ B Non Investmentgrade
speculative
Ba2 BB BB
Ba3 BB− BB−
B1 B+ B+ Highly Speculative
B2 B B
B3 B− B−
Caa CCC+ C CCC C Substantial risks
Ca CCC Extemely speculative
C CCC− In default with little
prospect for recovery
/ D / DDD / In default
/ DD
/ D


[edit] External links

  • [1] "Time to go shopping?" - The Economist, March 23rd 2008