Dollar and Oil Rally as Iran Tensions and Fed Hawkishness Drive Market Volatility

27 May, 2026

Global markets remain volatile as Iran tensions boost the US dollar and oil prices, while Fed hawkishness pressures gold and risk-sensitive currencies ahead of key RBNZ and Australian CPI data.

Global financial markets started the week in a cautious mood as renewed geopolitical tensions between the United States and Iran fueled demand for safe-haven assets and increased volatility across currencies, commodities, and equity markets. Investors closely monitored developments surrounding the Strait of Hormuz while reassessing expectations for central bank policies amid persistent inflation concerns.

The US Dollar strengthened as traders increasingly priced in the possibility that elevated energy prices could keep inflation pressures higher for longer, potentially forcing the Federal Reserve to maintain a restrictive monetary policy stance. Meanwhile, crude oil prices stabilized after recovering from earlier declines, supported by concerns over potential supply disruptions in the Middle East.

Gold Faces Pressure Despite Ongoing Geopolitical Risks

Gold prices struggled to maintain bullish momentum despite the rise in geopolitical uncertainty. While safe-haven demand initially supported bullion, stronger US Treasury yields and expectations of prolonged higher interest rates limited gains.

The precious metal remained under pressure below key resistance levels as traders balanced geopolitical concerns against the opportunity cost of holding non-yielding assets. Market participants continue to monitor Federal Reserve commentary, with policymakers signaling that inflation risks linked to higher energy prices may justify maintaining tighter monetary conditions.

Although gold's broader long-term trend remains constructive, near-term sentiment remains cautious as investors await further clarity on both Middle East developments and the Fed's policy direction.

Oil Markets Stabilize Amid Supply Concerns

WTI crude oil prices found support after renewed reports of military activity in the region raised concerns about potential disruptions to global energy supply chains. The Strait of Hormuz remains a critical focus for traders due to its importance as a major global oil transit route.

Despite stabilization near recent lows, oil markets remain highly sensitive to geopolitical headlines. Any escalation could quickly reintroduce a significant geopolitical risk premium into prices, while progress toward diplomatic solutions may encourage further downside corrections.

Analysts also note that elevated oil prices continue to present inflationary risks for major economies, potentially influencing central bank decisions throughout the remainder of the year.

New Zealand Dollar Weakens Ahead of RBNZ Decision

The New Zealand Dollar remained under pressure as investors adopted a cautious stance ahead of the Reserve Bank of New Zealand's policy announcement.

While markets expect interest rates to remain unchanged, traders are focusing on future policy guidance and whether the central bank signals additional tightening later in the year. Rising geopolitical uncertainty and stronger demand for the US Dollar have also weighed on risk-sensitive currencies such as the Kiwi.

The outcome of the RBNZ meeting is expected to be a key driver of NZD volatility, particularly if policymakers deliver unexpected guidance regarding inflation or future rate adjustments.

Euro Supported by Hawkish ECB Expectations

The Euro remained relatively resilient despite increasing concerns over economic growth across the Eurozone. Comments from European Central Bank officials continued to support expectations of additional policy tightening as inflation remains above target levels.

However, ongoing energy-related risks and concerns over economic activity continue to limit stronger upside momentum. Investors remain focused on balancing inflation risks against the possibility of slowing growth, a challenge that continues to shape ECB policy expectations.

US Dollar Benefits from Safe-Haven Demand

The US Dollar Index moved higher as renewed geopolitical tensions encouraged investors to seek defensive assets. At the same time, Federal Reserve officials reinforced concerns that elevated energy prices could sustain inflationary pressures, supporting expectations for a higher-for-longer interest rate environment.

The combination of safe-haven demand and hawkish monetary policy expectations provided broad support for the Greenback against most major currencies. Market participants will now turn their attention to upcoming inflation data, central bank communications, and geopolitical developments for further direction.

Outlook

Markets are likely to remain highly sensitive to developments surrounding US-Iran relations, energy supply risks, and central bank policy expectations. Traders will closely watch the Reserve Bank of New Zealand's rate decision and Australia's inflation data for additional clues regarding global monetary policy trends.

 

With oil prices, inflation expectations, and geopolitical risks all influencing sentiment simultaneously, volatility across forex, commodities, and equities is expected to remain elevated in the sessions ahead.

x

WARNING and please be advised:

It has come to our attention that a number of unauthorised firms /individuals have cloned our website content, logo and social media pages of CWG Markets Limited. Please be advised that these unauthorised firms have also been contacting consumers via various messaging apps such as WhatsApp, Facebook, Wechat.It should be noted that there is no connection whatsoever between the CWG Markets Limited, an authorised firm, and the unauthorised entities/ individuals that have cloned our details. If you’ve been scammed or contacted by an unauthorised firm / individuals – or a firm you suspect is not legitimate – you can report to us [email protected]

CFDs (Contract For Difference) are complex instruments and come with a high risk of losing money rapidly due to leverage. Please ensure you fully understand the risks and take appropriate care to manage your own risk. Please read our Risk Disclosure carefully.