USD/KRW

Thursday’s Asian trading session opened with news that, while increasingly familiar in recent weeks, remains deeply unsettling. U.S. armed forces launched another round of strikes on targets in southern Iran — the second such operation in a week. Markets reacted instantly and predictably: a rush into the dollar. The U.S. dollar index edged higher, Asian currencies fell into negative territory, and oil prices surged. All of this is unfolding on the very day the Federal Reserve is set to release its preferred inflation gauge — the PCE index. Thursday is shaping up to be a volatile one.

Whenever the U.S. strikes Iranian targets, currency markets tend to follow the same script. The dollar rises, while nearly every other currency weakens. This has little to do with patriotism or confidence in American military power. It is simply cold financial logic.

Conflict involving Iran threatens oil supplies. Disruptions in oil supplies drive energy prices higher. Rising energy costs fuel inflation. Higher inflation, in turn, forces the Federal Reserve to keep interest rates elevated — or even raise them further. And high interest rates make the dollar more attractive to investors searching for yield.

But on Thursday, another element was added to this familiar chain reaction. President Trump personally rejected recent reports suggesting Iran was prepared to reopen the Strait of Hormuz within thirty days. That statement dealt a blow to the fragile optimism that had supported markets over the past few days. Investors who only yesterday hoped for a near-term peace agreement are now being forced to admit that the conflict may drag on. And a prolonged conflict means prolonged inflation. Prolonged inflation means rates staying higher for longer.

Markets have largely abandoned hopes for a quick resolution, and safe-haven capital is pouring...

Wednesday on the currency markets was defined by anticipation. The dollar stood still, like a predator before the leap, making no sharp moves either upward or downward. The U.S. dollar index and its futures were virtually unchanged during Asian trading, stabilizing after a brief surge earlier in the week.

But this stillness is deceptive. Beneath it lies enormous tension — traders are frozen ahead of two events capable of turning the market upside down. One is geopolitical, the other macroeconomic. And both sit at a point of maximum uncertainty.

The main factor preventing the dollar from falling — and at the same time keeping it from rallying — is Iran.

Negotiations between the United States and Iran over de-escalating the conflict are continuing, but no one seems to fully understand their real condition. According to media reports, indirect contacts are still ongoing even after U.S. forces struck targets in southern Iran.

It is a strange, almost surreal picture: bombs are falling while diplomats continue talking. War and peace exist simultaneously, in parallel realities.

As recently as the weekend, U.S. officials sounded optimistic. Trump spoke of a memorandum that was “largely agreed upon.” Markets celebrated, oil prices fell, and the dollar weakened.

But this week Washington’s tone has become more restrained. The strikes on Iranian facilities were presented as defensive, yet the very fact they occurred suggests the negotiating process is stalling. The sides remain stuck on key issues — the fate of Iran’s enriched uranium, the timeline for reopening the Strait of Hormuz, and security guarantees.

Until those issues are resolved, the dollar will continue to receive support as a safe-haven asset.

The mechanics here are simple and ruthless. As long as there is a risk of escalation, there is a risk of disruptions...