Credit Rating

Investment Vehicles High Relevance

An assessment of a borrower's creditworthiness and ability to meet debt obligations, issued by independent rating agencies. The two primary agencies are Moody's and Standard & Poor's (S&P), which use different rating scales. Ratings range from AAA/Aaa (highest quality) to D/C (default), with investment-grade bonds rated BBB-/Baa3 or higher and speculative-grade (high-yield or junk) bonds rated below investment-grade. Downgrades increase yields and decrease bond prices, while upgrades have the opposite effect.

Example

A pharmaceutical company's bonds are initially rated A by S&P. After a failed drug trial, S&P downgrades the bonds to BBB-. The market price immediately drops from $1,020 to $980, and the yield increases from 4.2% to 4.8%. If downgraded further to BB+, the bonds would lose investment-grade status, triggering forced selling by institutional investors restricted to investment-grade securities only.

Common Confusion

Students often confuse rating scales between agencies (AAA vs Aaa), misunderstand that the investment-grade threshold is BBB-/Baa3 (not BBB/Baa), or assume credit ratings are buy/sell recommendations (they assess default risk only, not investment merit). Ratings evaluate creditworthiness, not whether a bond is a good investment at current prices.

How This Is Tested

  • Identifying investment-grade vs speculative-grade bonds based on credit ratings
  • Understanding how rating changes (upgrades/downgrades) affect bond prices and yields
  • Determining suitability of bonds for clients based on credit ratings and risk tolerance
  • Comparing rating scales between S&P/Fitch (BBB-) and Moody's (Baa3) systems
  • Recognizing the two primary rating agencies (Moody's and S&P) and their different rating scales

Regulatory Limits

Description Limit Notes
Investment-grade minimum (S&P/Fitch) BBB- Lowest rating still considered investment-grade; adequate capacity to meet obligations
Investment-grade minimum (Moody's) Baa3 Moody's equivalent to BBB-; threshold between investment-grade and speculative
Highest quality rating (S&P/Fitch) AAA Extremely strong capacity to meet financial commitments; lowest default risk
Highest quality rating (Moody's) Aaa Moody's equivalent to AAA; judged to be of the highest quality with minimal risk
High-yield threshold (S&P/Fitch) BB+ or lower Speculative-grade bonds; below investment-grade with elevated default risk
High-yield threshold (Moody's) Ba1 or lower Moody's speculative-grade; judged to have speculative characteristics

Example Exam Questions

Test your understanding with these practice questions. Select an answer to see the explanation.

Question 1

Jennifer is a portfolio manager for a pension fund with a strict policy requiring all bond holdings to maintain investment-grade status. The fund owns $5 million in corporate bonds from Company XYZ currently rated BBB by S&P. S&P announces it is placing these bonds on "negative watch" with a potential downgrade to BB+. What is Jennifer's most appropriate course of action?

Question 2

Which of the following represents the minimum credit rating threshold for a bond to be classified as investment-grade by Moody's rating agency?

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Question 3

An investment adviser is categorizing bonds in a client portfolio by credit quality. Which of the following rating combinations correctly identifies bonds as investment-grade?

Question 4

All of the following statements about credit ratings are accurate EXCEPT

Question 5

A municipal bond is upgraded from A to AA by Standard & Poor's. Which of the following statements about this upgrade are accurate?

1. The bond's market price would likely increase
2. The bond's coupon payment amount would increase
3. The bond's yield would likely decrease
4. The bond remains investment-grade after the upgrade

💡 Memory Aid

Think of credit ratings like report cards for borrowers: AAA/Aaa = A+ students (safest), BBB-/Baa3 = C- students (last passing grade before failing), and BB+/Ba1 = F students (junk/high-yield). Remember "Triple-B Minus = Breaking Point" between investment-grade (safe) and speculative-grade (risky). The two primary agencies (Moody's and S&P) grade the bonds, but ratings are NOT buy/sell recommendations, just default risk assessments.

Related Concepts

This term is part of this cluster:

Where This Appears on the Exam

This term is tested in the following Series 65 exam topics: