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UK government bonds just posted their strongest returns in three months, and the catalyst is refreshingly old-school: cheaper oil.
A decline in global crude prices, driven partly by a tentative US-Iran peace agreement, has eased inflation fears enough to make gilts attractive again. The 10-year gilt yield sat at roughly 4.71% on June 25, reflecting a 0.16 percentage point drop from the previous month. For context, yields move inversely to prices, so falling yields mean rising bond returns.
What’s driving the rally
The story starts with oil. Brent crude prices have fallen meaningfully after the US and Iran reached a tentative peace deal, removing one of the biggest geopolitical risk premiums baked into energy markets this year. Cheaper oil flows directly into lower inflation expectations, and lower inflation expectations make fixed-income assets more appealing.
But oil isn’t the only factor pulling gilt yields lower. The UK composite PMI, a closely watched gauge of business activity across manufacturing and services, fell to 49.4 in June. Any reading below 50 signals contraction. In English: the UK economy is shrinking, and that changes the math on what the Bank of England does next.
A contracting economy makes aggressive rate hikes much harder to justify. Markets have responded by dialing back expectations for near-term tightening from the BoE, which in turn supports bond prices.
The daily picture on June 25 showed a modest 0.02 percentage point uptick in the 10-year yield, but the monthly trend tells the real story. That 0.16 point decline over the past month represents a meaningful shift in sentiment, particularly given how ugly the gilt market looked just weeks earlier.
How bad things were before
To appreciate the current rally, you need to understand the hole gilts were climbing out of. In mid-May, 30-year gilt yields surged to nearly 5.8%, levels not seen in almost three decades. The culprit was a toxic combination of elevated energy prices driven by Middle East tensions and persistent fiscal concerns about the UK’s borrowing trajectory.
Adding to the domestic uncertainty has been the political landscape. Prime Minister Keir Starmer’s recent resignation announcement introduced another variable into an already complicated equation. Yet the oil-driven inflation relief appears to have outweighed those political jitters, at least for now.
What this means for investors
On one side, falling yields and rising bond prices reward existing holders and make new purchases at current levels potentially attractive. Long-dated gilts, in particular, stand to benefit if the BoE adopts a more cautious stance on rates. Investors who were positioned in 30-year gilts near those May highs are already seeing meaningful price appreciation.
On the other side, a PMI reading of 49.4 isn’t just a number that helps bond math. It’s a signal that the UK economy is contracting. Corporate earnings, consumer spending, and tax revenues all suffer in a contraction.
A sub-50 PMI reading combined with falling oil prices gives the central bank cover to hold rates steady or even consider cuts later in the year. That would be supportive for gilts but would also confirm that the economy is weak enough to warrant monetary easing.
The durability of the US-Iran peace deal is another major variable. If the agreement holds and energy prices remain subdued, the inflation relief that’s currently supporting gilts should persist. If the deal collapses, oil spikes back up, and the entire trade unwinds quickly.
Yields at 4.71% on the 10-year remain elevated by historical standards, offering reasonable income. But the forces pushing yields lower, economic weakness and falling commodity prices, are the kind that tend to precede more significant slowdowns.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.
English (US) · 