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FRM Exam Part II · The Global Drivers of Private Credit

Impact of Rising Interest Rates on Private Credit

Updated 11 October 2026 · Fact-checked

Most private credit loans are floating-rate, so when policy rates rise, borrowers pay more interest. Lender income rises first, but borrower interest coverage falls and default risk increases. Net returns improve only if higher coupons outweigh higher losses. To solve questions, trace the rate change into interest cost, coverage ratio, then default and loss.

Understand Macro and Interest Rate Environment

Private credit is lending by non-bank funds, often direct loans to mid-sized firms, many owned by private equity sponsors. Most of these loans are floating-rate. The coupon equals a reference rate (such as SOFR) plus a fixed spread. When central banks raise policy rates, the reference rate rises and the coupon resets higher, usually within one to three months.

For the lender, this is good news at first. Income rises and the loan has little interest rate duration risk, so its price does not fall the way a fixed-rate bond does. This is why private credit often looks attractive when rates rise.

For the borrower, the same reset is a cost shock. Private credit borrowers are often highly leveraged and have thin cash buffers. Higher interest raises the cash burden and cuts the interest coverage ratio (ICR = EBITDA ÷ interest expense). Rate risk therefore converts into credit risk. The lender has swapped market risk for default risk.

There is a trade-off. Higher coupons lift gross yield, but a weaker ICR raises the probability of default (PD), and the fund may need to amend or restructure loans. Common responses are payment-in-kind (PIK) interest, where interest is added to principal, and covenant waivers. PIK hides stress and raises exposure at default. Many borrowers hedge with caps or swaps, but hedges are often partial or short-dated.

Monetary policy also works through other channels. Tight policy slows growth and earnings, lowers valuations and cuts exit options for sponsors. Tighter bank lending can send more demand to private credit, but weaker borrower quality offsets part of the gain. Funds using leverage face higher funding costs too, which narrows net spread.

Key formulas to remember

Floating-rate coupon
Coupon = Reference rate + Spread
Reference rate resets; spread is fixed at origination. A floor may stop the reference rate from falling below a set level.
Interest coverage ratio
ICR = EBITDA ÷ Interest expense
A rate rise lifts the denominator, so ICR falls. Lower ICR means higher PD.
Debt service burden
Interest expense = Debt × (Reference rate + Spread)
Use for a quick stress on one borrower or a portfolio.
Expected loss
EL = PD × LGD × EAD
Rising rates mainly push PD up. PIK interest also raises EAD.
Net spread after losses
Net yield ≈ Coupon − Expected loss − Fees
Compare the rise in coupon with the rise in expected loss.
Levered fund net return
Equity return ≈ Asset yield + (Debt ÷ Equity) × (Asset yield − Funding cost)
Higher funding cost reduces the leverage benefit.

How to solve Macro and Interest Rate Environment questions

Use the same chain for any question on rates and private credit: rate move, interest cost, coverage, default, loss, return.

  1. 1Identify the loan type: floating or fixed, any floor, cap or hedge, and how often it resets.
  2. 2Compute the new coupon: new reference rate plus the fixed spread.
  3. 3Compute the new interest expense and the new ICR, using the stated EBITDA.
  4. 4Judge the effect on PD. Lower ICR, tighter covenants and PIK use all signal higher PD.
  5. 5Adjust expected loss (PD × LGD × EAD). Remember PIK raises EAD.
  6. 6Compare lender gain from the higher coupon with the rise in expected loss to judge net return.
  7. 7Add second-order effects: fund leverage cost, valuation marks, refinancing risk, and spillover to banks.
  8. 8Pick the answer that names both the benefit to the lender and the credit risk shift.

Quickest way: Coupon up, coverage down

When to use it: Use for numerical or conceptual MCQs when time is short.

  1. Check if the loan is floating. If yes, rate rise means coupon rise and low duration risk.
  2. Recalculate ICR as EBITDA ÷ (Debt × new rate).
  3. If ICR falls toward 1.0 to 1.5, treat default risk as sharply higher.
  4. Eliminate options that say a floating-rate lender loses mainly from price falls or that default risk is unchanged.
  5. Choose the option that shows income up but credit quality down.

Common mistakes in Macro and Interest Rate Environment

  • Treating floating-rate private loans like fixed-rate bonds that lose price when rates rise.

    Students link rising rates with duration risk automatically.

    Fix: Floating loans reset, so duration is near zero. The risk shifts to borrower credit quality.

  • Saying rising rates are purely positive for private credit lenders.

    Higher coupon income is easy to see.

    Fix: Always net the higher coupon against higher PD, restructuring and PIK. Gross yield is not net return.

  • Adding the full rate rise to the spread and ignoring floors or hedges.

    Students skip the loan terms in the question.

    Fix: Read for floors, caps and swaps. A floor matters when rates are low; a cap or swap limits the borrower's cost increase.

  • Treating PIK interest as a sign of healthy borrowers.

    Cash default does not occur, so the loan looks performing.

    Fix: PIK is a warning sign. It conserves borrower cash but raises balance and EAD, and often signals stress.

  • Computing ICR using principal instead of interest, or using the spread only.

    Rushing and mixing up terms.

    Fix: Interest = debt × (reference rate + spread). ICR = EBITDA ÷ that interest.

Worked examples

Example 1

A private credit borrower has debt of USD 200 million at SOFR + 6.00%, and EBITDA of USD 50 million. SOFR rises from 1.00% to 5.00%. Compute ICR before and after, and state the effect on default risk.

Show the solution
  1. Before: coupon = 1.00% + 6.00% = 7.00%. Interest = 200 × 0.07 = USD 14 million.
  2. ICR before = 50 ÷ 14 = 3.57.
  3. After: coupon = 5.00% + 6.00% = 11.00%. Interest = 200 × 0.11 = USD 22 million.
  4. ICR after = 50 ÷ 22 = 2.27.
  5. Coverage has fallen by about 36%, so the borrower has less cushion against an EBITDA decline. PD rises.

Answer: ICR falls from 3.57 to 2.27. The lender earns a higher coupon, but default risk rises because of lower coverage.

Example 2

A fund holds a floating-rate loan of USD 100 million. After a rate rise, the coupon rises by 4.00 percentage points. Expected loss rate rises from 1.5% to 3.5% of the loan. Fees are unchanged. Is the net yield better or worse, and by how much?

Show the solution
  1. Change in coupon income = +4.00% of USD 100 million = +USD 4.0 million.
  2. Change in expected loss = 3.5% − 1.5% = +2.0% = +USD 2.0 million.
  3. Net change = 4.0 − 2.0 = +USD 2.0 million, or +2.00 percentage points.
  4. Fees unchanged, so they do not affect the change.

Answer: Net yield improves by 2.00 percentage points (USD 2.0 million), but half of the coupon gain is lost to higher expected loss.

Exam tips

  • Expect case questions that ask who bears the rate risk: the answer is usually the borrower, shown as credit risk for the lender.
  • Always state both effects: higher lender income and higher borrower stress.
  • Watch for words like floor, cap, hedge, PIK and covenant. They change the answer.
  • In calculations, do the ICR step explicitly; many options are built from common arithmetic slips.
  • Link to systemic themes: leverage, opacity and bank links can amplify stress when rates stay high.

Practice questions from The Global Drivers of Private Credit

Macro and Interest Rate Environment in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Macro and Interest Rate Environment: frequently asked questions

Why does rising interest rates hurt private credit borrowers?

Most loans are floating-rate, so the coupon resets higher with the reference rate. Interest cost rises while earnings may not. Interest coverage falls and default risk goes up.

Do floating-rate private loans have interest rate risk?

They have very little duration risk because coupons reset. The main exposure is indirect: higher rates raise borrower defaults. There can also be basis or reset timing mismatches.

Does monetary policy tightening always raise private credit returns?

No. Higher coupons help, but higher defaults, restructurings and PIK can offset the gain. Net return depends on whether the rise in income exceeds the rise in expected loss.

What is PIK interest and why does it matter?

Payment-in-kind interest is added to the loan balance rather than paid in cash. It eases borrower cash pressure but raises exposure and often signals hidden stress.