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L.12 · BEGINNER · 3 MIN

Reading a Bank Income Statement

A bank's income statement looks nothing like an industrial company's. Revenue is split between interest earned and fees collected; the largest single expense line is a forward-looking estimate of future credit losses; and a single ratio (NIM) summarizes much of how well the underlying lending business is performing. Knowing what to focus on separates investors who can analyze bank stocks from those who can only react to headlines.

Quiz · 5 questions ↓
§ 01
Net Interest Income = Interest Earned on Assets - Interest Paid on Liabilities
§ 02
Line itemWhat it measuresWhat to watch for
Net interest incomeSpread business — borrow short, lend longNIM trend across quarters, deposit beta
Non-interest incomeFees, trading, wealth management, card revenueDiversification away from rate-cycle exposure
Loan-loss provisionForward-looking estimate of future credit lossesSudden cuts during fundamental softness — red flag
Net charge-offs (NCO)Actual loans written off, net of recoveriesThe reality check on provisions — should track
Efficiency ratioOperating expense divided by revenueLower is better; mid-50s is strong, above 70 is weak
§ 03

NIM compression and expansion drive bank stock returns over the rate cycle. When the yield curve steepens and short-term funding costs lag long-term lending yields, NIM widens and bank earnings rise. When the curve inverts, the opposite happens — banks borrow short at the same rate they lend long, and NIM compresses.

§ 04

Earnings quality matters more in banks than in almost any other sector. A bank that grows EPS by cutting provisions is borrowing from the future; a bank that grows EPS through wider NIM and disciplined cost control is generating real economic value. Always check whether 'EPS beat' was driven by pre-provision revenue or by provision releases — the distinction tells you whether management is performing or massaging.

§ 05
Open the most recent earnings release for any large bank in your watchlist (JPMorgan, Bank of America, Wells Fargo, US Bancorp, or a large regional). Find net interest income, non-interest income, provisions, and net charge-offs. Calculate (NCO / average loans) and compare with (provisions / average loans). When provisions consistently exceed NCO, management is building reserves; when NCO exceeds provisions, they are releasing reserves into earnings.
§ 06
Bank A reports a 60 percent efficiency ratio; Bank B reports 45 percent. Both have similar net interest margins and credit quality. What does the gap tell you?
Five questions · AI feedback

Sit with the ideas.

A regional bank reports Q3 net income up 12 percent year-over-year. The earnings release shows: net interest margin (NIM) compressed by 18 basis points, but loan-loss provisions fell by 40 percent because credit quality 'improved.' Should an investor cheer the headline 12 percent?

Why:

Other lessons in this course.

  1. 01Inflation: What It Is and Why It Matters
  2. 02The Fed and Interest Rates: How Policy Moves Markets
  3. 03The Yield Curve, in Plain English
  4. 04GDP: What the Economy Actually Produces
  5. 05The Business Cycle: Timing the Economic Seasons
  6. 06Fiscal Policy: Government Spending, Taxes, and Deficits
  7. 07The Fed’s Advanced Toolkit: QE, QT, and Forward Guidance
  8. 08Trade, Exchange Rates, and the Dollar
  9. 09Financial Crises: How Economies Break Down
  10. 10How the Federal Reserve Actually Works
  11. 11How Banks Create Money (and Why Reserves No Longer Bind)
  12. 12Reading a Bank Income Statement— reading now
  13. 13Bank Capital, Tier 1 Ratios, and Stress Tests
  14. 14Yield Curve Shape and Bank Net Interest Margin
  15. 15How a Modern Bank Run Unfolds
  16. 16National Income Identities: Why S = I (and Y = C + I + G + NX)
  17. 17Current Account = Capital Account: Why Trade Deficits Are Capital Inflows
  18. 18Fiscal Multiplier Mechanics: Why $1 of Spending Becomes $0.50-$2 of GDP
  19. 19Exchange Rate Regimes and the Impossible Trinity
  20. 20Capital Flows and Sudden Stops: Why EM Crises Look Alike
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