Yield Curve
What is Yield Curve?
The yield curve plots interest rates on bonds of the same quality across different maturities, usually government bonds.
Normally it slopes upward (longer-term bonds pay more). An inverted yield curve, where short-term rates exceed long-term rates, has historically been a strong warning sign of a coming recession.
Yield Curve: a worked example
Suppose a government sells debt at these yields on one day: 3-month bills at 5.1%, 2-year notes at 4.4%, and 10-year bonds at 4.0%. The spread analysts watch most is the 10-year minus the 2-year, here 4.0% less 4.4%, or negative 0.4 percentage points, so the curve is inverted. A saver putting $75,000 into the 10-year collects $3,000 a year, while rolling 3-month bills at today's rate would pay $3,825. Investors accept the smaller long-term payment only when they expect short rates to fall well below 5.1% over the decade, so the shape mostly reports an expectation of rate cuts.
The mistake students make with yield curve
An inverted curve gets treated as a cause of recession, or as a scheduled alarm with a countdown attached. The curve mostly reports what bond buyers expect rather than making anything happen, and expectations can be wrong. A second slip is assuming inversion means long rates jumped; it can just as easily arrive from short rates being pushed up while long rates sit still. The shape is appealing because it compresses to one tidy number, but a number assembled entirely out of forecasts inherits every error inside them.
Yield Curve questions
What does an inverted yield curve mean?
An inverted yield curve means short-term bonds pay more than long-term bonds of the same credit quality. Investors accept less to lend for ten years than for three months only when they expect short rates to be far lower later on, which usually means they expect the central bank to cut. That expectation is why the shape gets read as a market forecast of slower growth ahead.
Why is the yield curve usually upward sloping?
The yield curve normally slopes upward because lenders want extra compensation for tying money up longer. A ten-year loan carries more inflation risk, more default risk, and more risk that rates rise and strand the holder in a low-paying bond. That extra compensation is the term premium, and it keeps long yields above short yields whenever expectations about future rates are roughly flat.
What is the difference between the yield curve and interest rates?
The yield curve is the whole set of interest rates at one moment plotted against maturity, while an interest rate is a single point on that line. Saying rates went up leaves out which rates: short yields can climb while long yields fall, which flattens or inverts the curve. The shape carries information no single rate does, because it shows what the market expects rates to do next.
Related terms
The same idea in another course
Reading a yield curve as an investorThe same curve read for what it implies about borrowing and lending rather than for what it forecasts. On FinanceLearn, a sister site.
Common comparisons
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