The 10-year minus 2-year Treasury yield spread is the difference between the yield on the 10-year U.S. Treasury note and the yield on the 2-year U.S. Treasury note. When the number is positive, the longer bond pays more, which is the normal state of affairs. When it turns negative — an “inverted” curve — the market is signaling that investors expect trouble ahead. That signal has preceded every U.S. recession since 1973, which is why traders, economists, and financial journalists watch it so closely.
How the Spread Is Calculated
The math is straightforward subtraction: take the yield on the 10-year Treasury note and subtract the yield on the 2-year Treasury note. The Federal Reserve Bank of St. Louis publishes this calculation daily as series T10Y2Y, drawing on constant-maturity yield data from the U.S. Treasury Department.1Federal Reserve Bank of St. Louis. 10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity The underlying yields appear in the Federal Reserve Board’s H.15 statistical release, updated every business day.2Federal Reserve. Federal Reserve Board – H.15 – Selected Interest Rates (Daily)
Results are usually expressed in basis points. One basis point equals one-hundredth of a percentage point, so a spread of 0.50% is 50 basis points. A positive number means the 10-year pays more than the 2-year; a negative number means the opposite. The magnitude tells you how strongly the market is leaning in one direction.
What a Positive Spread Means
Under normal conditions, the spread is positive and the yield curve slopes upward. Lending money for ten years carries more uncertainty than lending for two, so investors demand extra compensation for the longer commitment. The New York Federal Reserve calls this extra compensation the “term premium” — the return investors require for bearing the risk that interest rates may change over the life of the bond.3Federal Reserve Bank of New York. Treasury Term Premia
A comfortably positive spread reflects a market that expects continued growth and manageable inflation. In that environment, banks pay depositors a lower short-term rate, lend at a higher long-term rate, and profit from the difference. A spread of roughly 100 to 200 basis points has historically been a zone where credit markets function smoothly and banks have a strong incentive to extend loans.
What Inversion Signals
Inversion occurs when the 2-year yield climbs above the 10-year yield, flipping the spread into negative territory. That reversal means investors are worried enough about the near-term economy to accept lower long-term returns just to lock in the safety of government-backed debt for a decade. It disrupts the normal incentive to lend and reads as a collective vote of no confidence in short-term growth.
The track record is striking. Research from the Bank for International Settlements found that an inverted U.S. Treasury yield curve has preceded every recession since 1973, with each inversion followed by a downturn within roughly two years.4Bank for International Settlements. Yield Curve Inversion and Recession Risk The Federal Reserve Bank of Chicago’s own analysis confirmed the pattern, noting that the yield-curve slope turns negative before each economic recession since the 1970s.5Federal Reserve Bank of Chicago. Why Does the Yield-Curve Slope Predict Recessions? The lead time between inversion and recession has ranged from about ten months to three years, which makes the signal useful for direction but unreliable for precise timing.
Depth matters. A shallow inversion of five or ten basis points carries different weight than one that reaches 50 or 100. Deeper inversions have historically corresponded to more severe downturns, because they reflect a market pricing in serious trouble.
Why the Federal Reserve Moves the Spread
The Federal Open Market Committee meets eight times a year to set the target range for the federal funds rate, the overnight lending rate between banks that anchors short-term borrowing costs throughout the economy.6Federal Reserve. Federal Open Market Committee Meeting Calendars and Information Because the 2-year yield reflects where markets expect the federal funds rate to be over the next two years, FOMC decisions and forward guidance move the 2-year yield almost directly. Signal rate hikes, and the 2-year rises. Signal cuts, and it drops.
The 10-year yield answers to a broader set of forces: long-term inflation expectations, projected growth, and the term premium. The Fed influences it less directly, mostly through balance sheet operations. Large-scale Treasury purchases during quantitative easing pushed the 10-year lower by absorbing supply.
This asymmetry is why Fed tightening cycles frequently flatten or invert the curve. Rate hikes push the 2-year yield up quickly, but the 10-year may not follow if markets expect the tightening to slow the economy and eventually force rates back down. The spread narrows, then inverts, and the recession debate begins.
The 2022–2024 Inversion and Its Open Question
The most recent inversion is a real-time case study in how the indicator works and where it can mislead. The 10-year minus 2-year spread turned negative in the spring of 2022 and stayed inverted for over a year, reaching depths not seen since the early 1980s. By conventional logic, a recession should have followed within two years.
As of mid-2026, no recession has materialized. Several structural shifts help explain why the signal may have misfired. The Federal Reserve’s long-run neutral interest rate estimate has declined substantially over the past decade, which inherently flattens the curve. The Fed’s formal 2% inflation target, adopted in 2012, has anchored long-term inflation expectations more firmly than in previous cycles. And years of large-scale Treasury purchases compressed the term premium on longer-dated bonds, pushing the 10-year yield lower relative to short-term rates than it otherwise would have been. Each of those made the curve more prone to inversion without necessarily reflecting the same recessionary dynamics as past episodes.
Inversions haven’t stopped working as warnings. The signal has noise, and the context around any particular inversion matters as much as the raw number. One confirmed false positive existed before 2022, in 1966, when a brief inversion was not followed by an official recession. Whether 2022–2024 joins that short list, or whether weakness eventually appears, remains an open question.
How the Spread Affects Mortgages and Bank Lending
The 10-year Treasury yield is the primary reference point for 30-year fixed-rate mortgage pricing. The spread between mortgage rates and the 10-year has historically ranged from roughly one to two percentage points, covering credit risk, servicing costs, and prepayment risk that mortgages carry beyond a risk-free government bond. When the 10-year yield rises, mortgage rates follow.
The 10-year minus 2-year spread also affects lending from the supply side. Banks fund themselves with short-term deposits and lend at longer-term rates, so the spread approximates their gross margin on traditional lending. A Federal Reserve Board analysis found that a prolonged flattening or inversion of the yield curve strains bank profitability by compressing the gap between what banks earn on assets and what they pay on liabilities.7Federal Reserve. Implications of U.S. Yield Curve Flattening or Inversion for Banks When that margin shrinks, banks have less incentive to extend credit and often tighten lending standards to preserve capital.
The downstream effects hit borrowers in familiar ways. Small businesses find it harder to secure credit lines. Home buyers face higher effective costs. Banks may shift toward riskier loans to maintain margins, or lose business to nonbank lenders whose funding isn’t as tightly tied to short-term rates.7Federal Reserve. Implications of U.S. Yield Curve Flattening or Inversion for Banks So the spread doesn’t just predict economic weakness. A persistently flat or inverted curve actively contributes to it by choking off the credit that fuels expansion.
How To Track the Spread
The most widely used free tool is the FRED series T10Y2Y from the Federal Reserve Bank of St. Louis. It charts the daily spread going back decades, so the current reading appears in historical context.1Federal Reserve Bank of St. Louis. 10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity The underlying yield data comes from the Treasury Department’s constant-maturity series, published daily through the Federal Reserve Board’s H.15 release.2Federal Reserve. Federal Reserve Board – H.15 – Selected Interest Rates (Daily)
Zero is the line that matters when reading the chart. Crossing from positive to negative is the inversion signal that triggers headlines. But direction matters almost as much as level. A spread that has been narrowing for months tells a different story than one holding steady at the same positive number. The trend is where most of the information lives, not the snapshot.