Markets brace for volatility after Trump’s ambiguous Iran war remarks

April 7, 2026

Global markets could see renewed swings in the coming sessions after US President Trump’s Wednesday night speech on the Iran conflict, which added fresh uncertainty about how the war might unfold and conclude.

Investors are reevaluating their positions after a speech that mixed hints of a near-term resolution with ongoing threats of escalation, while leaving key risks, such as control over the Strait of Hormuz, unresolved.

Mixed signals reshape market expectations

As I was quoted by Yahoo Finance, Investing.com, Oman Observer, Financial Express, Business Money, Business Standard, Herald Sun, Always Finance, Share Cast, and The Economy, amongst others, markets had started to factor in greater certainty, but the speech has brought ambiguity back. Indeed, markets had essentially priced in a two- to three-week war based on Trump’s earlier remarks.

However, his latest comments fell short of specifying a clear timeline, noting only that the war is “nearing completion” while also stressing the importance of the need to “finish the job.”

Simultaneously, the US president renewed warnings against Iranian infrastructure should a deal fail, while indicating that allies might have to assume a larger role in safeguarding key energy corridors.

This mix of signals adds complexity to the market outlook. Investors had been betting on a brief, contained conflict, but with no clear end in sight, the situation is more uncertain, altering how markets assess and price risk.

A key factor continues to be the outlook for oil. Previous drops in crude prices were fuelled by hopes of limited supply disruptions.

Iran risk puts oil and pricing back in focus

However, the recent remarks suggest that major risks, especially concerning the Strait of Hormuz, might remain unresolved. The oil market is particularly sensitive to this.

Indeed, if traders see ongoing supply threats, the geopolitical risk premium could rebound quickly, affecting both inflation expectations and overall market sentiment.

A rise in oil prices could push up inflation, potentially shaping interest rate expectations and putting pressure on equity markets.

Currency and commodity markets are usually the first to react. Gold and the dollar tend to gain during periods of heightened uncertainty, and both are likely to see renewed demand if investors start doubting the stability of the current outlook.

However, the speech underscored a wider concern: the absence of a clearly defined end state.

Trump suggested the US might end its involvement without achieving a complete resolution, such as fully reopening critical shipping routes, raising the prospect of a partial outcome that leaves underlying tensions intact.

Such a scenario would pose challenges for markets. A conflict deemed ‘complete’ while strategic risks persist is very different from a full resolution, and markets will need to adjust accordingly.

Equity markets, which had benefited from expectations of a quick de-escalation, are likely to show the clearest reaction.

The situation remains very fluid, with diplomatic efforts continuing and further developments possible in the coming days. Markets are increasingly reacting to changing probabilities rather than definitive outcomes.

Iran uncertainty drives renewed market volatility

Financial markets react rapidly when the story shifts. At present, the narrative is less certain, raising the chances of more pronounced swings in both directions.

The main concern is uncertainty. Until the endgame of the conflict and the remaining risks become clearer, markets are likely to react strongly to every new development.

This implies higher volatility, especially in equities, oil, and currencies, as investors adapt to a more complicated and less predictable landscape.

To read my previous blog post, click here.

Click here for my YouTube, LinkedIn profile and X accounts.

Share this post:

Get the latest from Nigel Green