Latest / Monetary Policy Explained with Fexingo: Central Banks, Money Supply, and Interest Rates / How Central Banks Use the Term Spread to Gauge Market Stress
Transcript
- Lucas: The two-year Treasury note is yielding about three point eight percent today. The ten-year is at four point one. That gives us a term spread of roughly thirty basis points — positive, but historically narrow. Luna: Right, so the yield curve is no longer inverted, but it’s barely steep. And that itself is a signal, isn’t it? Lucas: Exactly. For most of 2023 and 2024, the curve was deeply inverted — short rates above long rates — which historically predicted recessions. Now the inversion has unwound, but we’re not seeing the kind of steepening that usually follows a cut cycle. That flatness is telling us something about where markets think the economy is headed. Luna: So what exactly is the term spread measuring? Is it just the slope of the yield curve, or is there more to it? Lucas: The term spread is literally the difference between a long-term bond yield and a short-term bond yield — usually the ten-year minus the two-year. But what it captures is the compensation investors demand for holding longer-dated debt. That compensation includes expectations for future short-term rates, plus a term premium for risks like inflation uncertainty and duration. Luna: And central banks care about this because…? Lucas: Because the term spread is a window into market beliefs about the path of policy. If the spread widens rapidly, it could mean investors expect aggressive rate cuts — or it could mean they’re demanding a higher term premium because they see more inflation risk. A narrowing spread, like we have now, suggests the market thinks the Fed is done cutting and that growth isn’t strong enough to push long yields higher. Luna: So it’s a real-time sentiment gauge. But isn’t the term spread distorted by quantitative tightening? The Fed is still letting Treasuries roll off its balance sheet — that’s adding supply to the long end. Lucas: That’s the key complication. Since the Fed started QT in 2022, the term premium has been artificially elevated — some estimates put it at fifty to seventy-five basis points above where it would be otherwise. So the term spread today isn’t a pure read on economic expectations. It’s a mix of fundamentals and technicals. Luna: Which means central banks have to parse how much of the spread is qt driven versus growth-driven. That’s not easy. Lucas: Right. And that’s why the Fed and the ECB are paying more attention to the decomposition of the term spread. They look at models that separate out the expectations component from the term premium. In the current environment, the term premium has actually been rising since early 2026, even as the overall spread has stayed flat. That tells you that the expectations component — the market’s guess at future short rates — has been falling. Luna: So the market is pricing in more rate cuts than the Fed has signaled. That’s a tension. Lucas: Exactly. And that tension can create instability. If the Fed holds rates steady while the market expects cuts, the term spread can widen in a way that loosens financial conditions prematurely — which is the opposite of what a central bank trying to fight inflation wants. So central banks watch the term spread as a canary for policy credibility. Luna: This is one of those topics where walking through the economy with us has made something click — and if that’s resonated with you, listener support is what keeps this show ad-free. You can find us at buy me a coffee dot com slash fexingo. Lucas: And we really appreciate those who do chip in — it lets us keep diving into these mechanics without any sponsored breaks. Luna: Yeah. So back to the term spread — what’s a concrete example of a central bank using this in a policy decision? Lucas: Let’s look at the Bank of Japan. For decades, they had a yield curve control policy that directly capped the ten-year yield. But in 2024 they abandoned that, and since then they’ve been watching the term spread as a signal of whether their exit from ultra-loose policy is orderly. In early 2026, the Japanese term spread widened sharply — the ten-year rose above one point five percent while the two-year stayed near zero. That told the BOJ that markets were testing their commitment to gradual normalization. Luna: So they had to respond — either by signaling more hikes to calm the bond market, or by tweaking their bond purchases. Lucas: They chose to increase the frequency of fixed-rate bond purchase operations — basically a nod to the market that they’d step in if the spread widened too fast. It’s a classic example of the term spread being used as a policy input, not just an academic indicator. Luna: What about the eurozone? The ECB has its own term spread dynamics, but with multiple sovereign issuers it gets messier. Lucas: The ECB looks at the term spread on the German bund as the risk-free benchmark. But they also watch the spread between bunds and Italian or Greek bonds — that’s the sovereign spread, which captures credit risk. During the 2022 energy crisis, the Italian-German spread blew out to over two hundred and fifty basis points, and the ECB had to create the Transmission Protection Instrument — a bond-buying tool — to keep fragmentation from undermining policy. Luna: So the term spread is not just about one yield curve; it’s about the relationship between curves across countries. Lucas: Exactly. And in emerging markets, the term spread is often a leading indicator of currency stress. If a country like Brazil sees its ten-year yield spike relative to its two-year, that can signal that foreign investors are demanding higher compensation for inflation or devaluation risk. The central bank then has to decide whether to hike rates to defend the currency or let the spread widen further. Luna: So for a listener trying to track what central banks are thinking, where should they look for the term spread data? Lucas: The most common reference is the two-year versus ten-year Treasury spread — you can find it on the Fed’s website or any financial data platform. But for a deeper read, look at the five-year forward five-year breakeven rate — that’s a measure of inflation expectations five years from now. If the term spread is widening but breakevens are stable, the move is likely about real growth expectations. If breakevens are rising too, then it’s about inflation. Luna: And right now, in July 2026, what’s the story the term spread is telling? Lucas: The story is that the market is uncertain. The spread is positive but narrow, which historically happens when the economy is in a soft landing — growth slowing but not collapsing. But the term premium is rising, which means investors are nervous about holding long-term debt. That could be because of the fiscal deficit — U.S. government debt is above one hundred percent of GDP — or because of lingering inflation worries. Either way, the term spread is saying the path is fragile. Luna: Fragile enough that a shock — say, a spike in oil prices or a tariff escalation — could cause the spread to invert again? Lucas: It’s possible. If the Fed had to hike rates again because of a supply shock, the short end would rise faster than the long end, and the curve would re-invert. That would be a massive red flag for the economy. But for now, the term spread is saying the base case is no recession, but no boom either — a kind of muddle-through. Luna: And central banks, as we’ve discussed, are using that signal to calibrate their communication. They don’t want to surprise markets. Lucas: Exactly. The term spread is a conversation between the market and the central bank. When it widens too fast, the central bank may talk down rate cut expectations. When it narrows too much, they may hint at more easing. It’s one of the few places where you see policy and prices interact in real time. Luna: So the next time you see a headline about the two-year and ten-year spread, you’ll know it’s not just a number — it’s the market’s best guess about where the economy is headed. Lucas: And whether the central bank agrees with that guess is the real story.