Bond yields have risen sharply since March across most major economies. Rising bond yields are usually a warning sign for commodity demand. Higher borrowing costs weigh on households, businesses and governments, making it more difficult to finance construction, expand capacity and sustain investment. However, the full picture is more complex than that. The forces pushing yields higher are also creating new areas of demand, particularly around technology, energy security and defence.
Why the macro picture is changing
Geopolitical disruption, energy volatility and climate-related events are adding to uncertainty around inflation and the long-run cost of capital. At the same time, businesses are investing heavily in artificial intelligence infrastructure, including data centres, power generation and electricity networks.
These competing forces are producing a more differentiated commodity market. Higher rates can restrain traditional, credit-sensitive activity while supporting investment in sectors that are considered strategically important or capable of delivering long-term productivity gains.
Copper sits at the centre of the investment cycle
Copper is the clearest potential beneficiary. Its role in electrification, grid development and data-centre infrastructure leaves it exposed to several structural investment themes at once. Even if higher yields weaken parts of the industrial economy, spending on power networks and digital infrastructure can provide an important counterweight.
Aluminium and battery materials may also benefit from investment linked to energy security, defence and the wider transition to more resilient supply chains. Their prospects will still depend on project timing, policy support and the availability of capital, but their demand drivers are less tied to conventional housing activity.
Steel faces the clearest risk of being ‘crowded out’
Steel is more exposed to the negative side of higher yields because demand remains closely linked to residential construction, commercial buildings and other financing-dependent projects. Higher mortgage and development costs can weaken project pipelines, delay investment decisions and reduce the momentum of construction activity.
That does not make steel’s outlook uniformly negative. Infrastructure spending and policy support may offer some protection. However, the sector is more vulnerable than copper or aluminium to a prolonged period of elevated real borrowing costs.
The commodity outlook looks more selective
For producers and investors, the key lesson is that higher yields should not be treated as a single market signal. Commodities connected to power infrastructure, artificial intelligence, energy security and defence may show greater resilience, while those dependent on housing and conventional construction face more pressure.
The result is a market where understanding why interest rates are shifting, and how that feeds into end-use exposure, matters as much as understanding the direction of interest-rates. As capital becomes more selective, the strongest opportunities are likely to emerge where structural investment can offset the drag from higher financing costs.
© CRU. All rights reserved. This content may not be copied, reproduced, republished, distributed, or otherwise used, in whole or in part, without CRU’s prior written permission. Please refer to CRU's Terms and Conditions.
