The long end

Long yields are breaking out almost everywhere, and central banks may not be able to stop it. Look at the chart below: US, Germany, Japan, UK, Italy, France, Switzerland, Canada, Australia. In every single one, the 10y10y forward rate (the market’s proxy for the “steady-state” long-term yield) has snapped back up from its 2020-21 lows and is now pushing through levels not seen since well before 2013’s taper tantrum. This isn’t a one-country story. It’s a synchronized global repricing of long-duration risk. There are four important forces behind this move: (1) Government financing costs are rising structurally, not cyclically. Every developed-market treasury is now rolling debt into a higher-for-longer curve, and with debt-to-GDP near post-war highs almost everywhere, the interest bill is becoming a genuine fiscal constraint. (2) Term premium is back. Investors are demanding more compensation to hold long paper, a signal that inflation risk, fiscal largesse, and heavy issuance (especially at the long end) are no longer being underwritten for free. (3) It flows straight into mortgages, corporate credit, and equity discount rates. A move like this compresses valuation multiples on anything priced off the long end, infrastructure, utilities, real estate, long-duration growth stocks. (4) It’s a stress test for pension funds and insurers who got used to duration-matching in a low-rate world, and for any government that assumed today’s coupon would still be affordable in 10 years. Interestingly, China is the outlier, and for good reason. Its 10-year yield is sitting near record lows (~1.7%), not because investors are relaxed, but because the PBOC is actively fighting deflation, weak domestic demand, and a still-unresolved property overhang. Capital controls keep the bid domestic and largely captive, so China’s curve reflects a policy-anchored, growth-starved economy rather than a market pricing in fiscal or inflation risk. It’s the mirror image of what’s happening in the West.

Can central banks stop the global move? Only partially. They control the short end and can lean on the long end through QE or yield-curve control, but both are politically costly and inflationary if pushed too far. Japan and the UK have already learned this the hard way. When the driver is fiscal issuance and term premium rather than expected policy rates, central banks are fighting a market force, not just steering one. Ultimately, this is a governments-and-deficits problem as much as a monetary one.

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