Bloomberg Global Treasury Index Yield Climbs to 14-Year High

The Bloomberg Global Treasury Index, which tracks fixed-rate government debt from investment-grade nations across 37 countries and 24 currencies, has seen its yield climb to a 14-year high. The current reading of 3.68% is the highest since 2008, with some measures pushing closer to 4%. This significant increase in yields carries substantial psychological weight for bond markets and those assets riskier than government IOUs.

The Bloomberg Global Treasury Index aggregates the borrowing costs of governments across the developed world into a single benchmark figure. Its weighted average yield to maturity currently sits at approximately 3.67%, while its yield to worst measure is around 3.50%. The index has already touched the 4% threshold in intraday readings and certain calculation methodologies.

The UK's 10-year gilt yields exceeded 5% for the first time since 2008 earlier this year, while Japanese government bond yields have climbed to multi-year highs. This development is notable, given Japan's past decade as a poster child for zero-rate policy.

Rising yields and risk asset prices are closely linked, as seen in 2022 when the Federal Reserve's rate-hiking cycle pushed Bitcoin down more than 70% from its peak. When a US Treasury or UK gilt offers a yield approaching 4% or above, institutional capital has a compelling reason to rotate out of assets with higher volatility and uncertain return profiles.