The 2-Year Yield Spread Is the USD/JPY Chart

Short answer: if you want one number that explains USD/JPY better than any indicator, it is the US 2-year Treasury yield minus the Japanese 2-year JGB yield. As of 14 August 2026 that spread stands at +251 basis points, and it narrowed 16.6bp over the preceding week. Currencies with wide, widening yield advantages attract capital; currencies whose advantage is compressing lose it. That is the entire mechanism, and it explains more medium-term FX movement than sentiment, positioning or any oscillator.

This article covers which maturity to watch and why, how to build spreads for a currency pair, what the current numbers say across all eight majors, and where the relationship breaks down. The live board is at government bond yields and spreads — 35 instruments across eleven countries, free and without an account.

Why bonds drive currencies

A currency is, among other things, a claim on a stream of interest payments. If holding two-year German paper pays 2.80% and holding two-year US paper pays 4.17%, capital has a reason to move — and moving it requires buying dollars and selling euros.

That is the carry argument, and on its own it is incomplete. Carry has existed forever and currencies do not simply drift to the highest-yielder. What actually moves spot is the change in the differential, because the change reflects a repricing of relative monetary policy expectations. A widening advantage means the market is discovering that one central bank will be tighter, or the other looser, than previously believed.

This is why the 2-year is the maturity that matters most for FX. The 2-year yield is essentially the market's forecast of the average policy rate over the next two years. It moves when the policy outlook moves. The 10-year contains all of that plus term premium, growth expectations and fiscal risk — useful, but noisier for this purpose. The 30-year is mostly about fiscal credibility and pension demand and has little to say about next quarter's exchange rate.

Rule: 2-year for policy expectations, 10-year for the growth-and-risk story, and watch when the two disagree.

How to build the spread for a pair

The convention is straightforward and worth stating precisely because sign errors are the most common mistake:

spread = base country yield − quote country yield

A rising spread favours the base currency; a falling spread favours the quote.

Germany stands in for the eurozone because Bunds are the bloc's risk-free benchmark. (What Italy and France pay relative to Bunds is a separate and equally interesting signal — see the risk-spread section below.)

The current picture

All figures as of 14 August 2026. Basis points. Positive favours the base currency.

Yield differentials by pair

The underlying curves

What these numbers say

USD/JPY: the carry is enormous and it is shrinking. A 251bp two-year advantage is a substantial reason to be long dollars against yen. But the week's move was −16.6bp — the advantage compressed by more than six per cent of its own size in five sessions. In a carry trade, the level pays you slowly and the change can take it back in an afternoon. This is precisely the configuration in which long-USD/JPY positions become crowded and then unwind violently.

USD/CHF: the largest differential in the majors, by a distance. The Swiss 2-year sits at 0.087% — effectively zero — against 4.171% in the US, a 408bp gap. The franc's persistent strength despite paying nothing is the standing reminder that carry is not destiny: safe-haven demand and current-account structure can overwhelm a four-percentage-point yield disadvantage for years.

EUR/USD: negative and getting less negative. Germany still pays 137.6bp less than the US at the 2-year, but the gap narrowed 11.6bp on the week. For a euro bull, that direction matters more than the level.

GBP/USD: barely a differential at all. At +19.8bp on the 2-year, the UK and US are essentially paying the same for two-year money. When the rate story is neutral, other drivers — growth, fiscal risk, positioning — take over, which is one reason sterling has been the most event-sensitive of the majors on our news impact data.

NZD/USD: the two maturities disagree. The 2-year spread is −60.3bp (New Zealand pays less) while the 10-year is +1.8bp (roughly level). That divergence has a specific meaning: the market expects New Zealand policy to be easier than the US over the next two years, but expects the two economies to converge over the longer run. New Zealand's 2s10s at +114bp is the steepest in the majors bar Japan — a curve pricing cuts now and normalisation later.

Japan's curve is the steepest of the eight at +121.7bp. A 2-year at 1.66% and a 30-year at 4.02% describes an economy exiting a very long period of suppressed rates. Steepening in Japan is one of the more consequential things happening in global fixed income, and it is the main structural threat to the yen carry trade.

Risk spreads: the eurozone's internal signal

Beyond FX pairs, the spread of other eurozone sovereigns over Bunds measures stress inside the currency union — and by extension, tail risk for the euro itself.

France is currently trading wider than Italy. That is not a typo, and it is not a sentence anyone would have written five years ago, when the BTP–Bund spread was the canonical eurozone risk gauge and routinely ran two to three times the OAT. The convergence — driven by French fiscal politics on one side and Italian consolidation on the other — is exactly the kind of structural shift that shows up in a spread board months before it shows up in commentary.

For a euro trader the practical reading is: widening core spreads are euro-negative in a way that periphery widening historically was not, because core stress questions the union's centre rather than its edges.

Where the relationship breaks down

Yield spreads are the best single macro anchor for FX. They are not a trading system, and here is where they fail.

1. Safe-haven flows override carry

The franc is exhibit A: 408bp of yield disadvantage against the dollar and it does not care. In a genuine risk event, capital flows to the currencies of countries with large net foreign asset positions and deep, liquid bond markets — the franc and the yen — regardless of what they pay. Carry works until it does not, and it stops working exactly when you most need it to.

2. The relationship works on weeks and months, not hours

Spreads explain medium-term trend. They explain very little about today's range. A trader using a yield spread as an intraday signal will find it changes by two or three basis points a day, which is noise relative to spot volatility.

3. Correlation regimes shift

USD/JPY's sensitivity to the 2-year spread has been strong for most of the past decade, but it was weak during periods of yield-curve control and it weakens whenever intervention risk becomes the dominant story. Assume the relationship holds and check it, rather than assuming it holds and not checking.

4. The level is priced; the change is the information

A stable 251bp differential is fully reflected in the forward curve and gives you nothing. This is the single most important caveat. If you are looking for tradable information in a yield spread, you are looking at the change columns, not the level column.

A practical routine

1. Once a week, scan the 2-year spread changes for all seven pairs. The largest movers are where the policy story has shifted.
2. Compare the 2Y and 10Y signals. Agreement is a clean signal. Disagreement — like NZD/USD's today — tells you the market is pricing a change in the shape of the path, which is usually more interesting.
3. Check curve slopes (2s10s) for the two countries in your pair. A steepening curve in the base country against a flattening one in the quote is a strong medium-term directional signal.
4. Watch eurozone risk spreads if you trade EUR crosses at all. Core widening is a warning that is easy to miss because it does not appear on a EUR/USD chart until it does.
5. Cross-reference with policy expectations. The bond market prices the path; interest rate differentials and FedWatch prices the individual meetings, and central bank policy monitor shows what the committees are actually saying. When bonds and futures disagree about the next meeting, one of them is about to move.
6. Overlay the spread on the price chart. The relationship is most useful when you can see it diverging — spot going one way while the differential goes the other is either a mispricing or a regime change, and both are worth investigating.

Frequently asked questions

Why does USD/JPY follow the US 10-year yield? Because the yield differential between the US and Japan determines the return on holding dollars against yen. Historically the relationship has been strongest at the 2-year maturity, which prices policy expectations most directly — currently a +251bp US advantage. The 10-year version of the same spread stands at +181bp. Both moved in the same direction last week, narrowing 16.6bp and 6.8bp respectively.

Which bond yield matters most for forex — 2-year or 10-year? The 2-year, for policy-driven moves. It is effectively the market's forecast of the average policy rate over two years, so it responds directly to central bank repricing. The 10-year adds term premium, growth expectations and fiscal risk, which makes it a better read on the broader macro story but a noisier one for FX. When the two disagree, the market is repricing the shape of the path rather than its level.

What is the BTP–Bund spread and why does it matter for the euro? It is the yield gap between 10-year Italian and German government bonds — the standard measure of eurozone periphery risk. A widening spread signals doubt about fiscal sustainability at the union's edges and is generally euro-negative. It currently sits at 78.2bp. Notably, the France–Germany (OAT–Bund) spread is wider at 84.1bp, an unusual inversion of the historical ordering.

Does a rising yield always strengthen a currency? No, and this is the most common misreading. What matters is the yield relative to other countries, and the change in that relationship. A US yield rising 10bp while German yields rise 15bp is dollar-negative despite US yields going up. And rising yields driven by fiscal risk rather than growth or policy can be currency-negative outright, because they signal a rising risk premium rather than a stronger economy.

What does a steep yield curve tell a currency trader? A steepening curve typically prices either stronger future growth or looser near-term policy, or both. Comparing slopes across the two countries in a pair is often more informative than comparing levels. Japan's 2s10s at +121.7bp and New Zealand's at +114.2bp are the steepest among the majors — both economies where the market expects a materially different rate environment two years out than today.

How often is bond yield data updated? The government bond yields and spreads board refreshes every 15 minutes during the trading week across 35 instruments: the US, Germany, Japan, the UK, Switzerland, Canada and Australia at 2, 5, 10 and 30 years, New Zealand at 2, 5 and 10, and France, Italy, Spain and China at 10 years.

Can I use yield spreads for intraday trading? Poorly. Spreads typically move two to three basis points a day, which is negligible against intraday spot volatility. They are a medium-term anchor — useful for deciding which direction to lean over weeks, largely useless for deciding when to click.

Conclusion

The most reliable macro relationship in currencies is also one of the least visible on retail platforms. Almost every professional FX screen has a bond board on it; almost no free retail platform ships one.

What that board says this week: the dollar's carry advantage over the yen is enormous and shrinking, its advantage over the franc is even larger and structurally ignored, the euro's disadvantage is quietly narrowing, sterling has no rate story at all right now, and inside the eurozone the risk premium has migrated from the periphery to the core.

None of that is on a candlestick chart. All of it is free at fxterminal.app/bond-yields, updated every fifteen minutes, with the historical series so you can see which way each spread has been travelling rather than just where it landed.