Oil near $90 threatens Euro's rate support against USD — ING

ING analysts warned July 14 that an energy shock from crude oil near $90 a barrel threatens to erode the Euro's interest rate advantage over the US Dollar, creating downside risk for EUR/USD as the European Central Bank faces a more challenging inflation outlook than previously expected.

"The energy price shock is removing the rate-support floor that has been underpinning the Euro," said Chris Turner, global head of markets at ING. "If the ECB is forced to hold rates steady while the Federal Reserve maintains its hawkish stance, the interest rate differential that has favored the Euro narrows significantly."

Brent crude has rebounded more than 13% from its recent low, while West Texas Intermediate gained roughly 14% as renewed hostilities around the Strait of Hormuz revived fears over global energy flows. The US-Iran ceasefire collapsed in late June after Iranian attacks on three commercial vessels, including an oil tanker and an LNG carrier, prompting President Donald Trump to declare the agreement "over" and withdraw a temporary sanctions waiver covering Iranian oil and petrochemical sales. Around one-third of global seaborne fertilizer trade passes through the Strait of Hormuz, amplifying supply-chain disruption across energy and agricultural markets.

The ECB's deposit rate currently stands at 3.75% after the central bank delivered a 25-basis-point cut in June, its first reduction since September 2024. The Fed's benchmark rate remains at 5.25% to 5.50%, where it has been unchanged since July 2023. Market-implied odds for at least one 25-basis-point Fed hike by November or December surged into the 50% to 70% range following the May nonfarm payrolls report, which showed 172,000 jobs added against a consensus near 85,000 to 95,000. That repricing has pushed the US Dollar Index higher, compounding pressure on EUR/USD.

Rate Differentials Narrow as Energy Costs Bite

The transmission mechanism from oil to currency markets runs through inflation expectations. Elevated energy costs feed directly into Consumer Price Index and Producer Price Index readings, keeping headline inflation sticky across both economies. The US inflation rate rose to 3.8% in April, while the euro zone's reading stood at 3% in April — a gap that had been narrowing before the energy shock. If European energy costs push euro zone inflation higher, the ECB loses the flexibility to ease policy, while the Fed remains locked at elevated levels by its own inflation persistence.

The last time oil traded above $90 for an extended period was in mid-2024, when Brent averaged $92 a barrel over three months. During that stretch, EUR/USD declined 4.2% from 1.12 to 1.0740 as the rate differential between US and German 10-year yields widened to 210 basis points. The current differential stands at approximately 185 basis points, leaving room for further widening if energy costs persist.

What's at Stake for EUR/USD

EUR/USD has been consolidating between 1.0780 and 1.10, but the strength in the US Dollar Index last week pushed the pair toward the lower end of that range. A break below 1.0780 would open the door to the 1.05 level, a threshold not tested since November 2024. The euro zone's vulnerability stems from its reliance on imported energy — the bloc imports roughly 90% of its crude oil and 80% of its natural gas — making it more exposed to supply shocks than the US, which has become a net energy exporter.

The next test comes with euro zone CPI data due in early August. If headline inflation ticks higher on energy pass-through, the ECB's June cut will look premature, and markets will price a shallower easing cycle. That would remove the primary argument for Euro strength — the expectation that the ECB would cut faster than the Fed — and leave EUR/USD exposed to the dollar's yield advantage.

This article is for informational purposes only and does not constitute investment advice.