Amid fears of escalating Iran conflict, the US Dollar Index stays firm above 100, near two-week highs

    by VT Markets
    /
    Mar 30, 2026
    The US Dollar Index (DXY), which measures the US Dollar against six major currencies, edged down to about 100.15 in Asian trading on Monday after reaching 100.35 earlier in the session. It remains close to a two-week high. The US Dollar opened higher amid rising Middle East tensions, linked to reports about a possible US ground invasion of Iran. Such tensions tend to increase demand for safe-haven assets, including the US Dollar.

    Middle East Tensions And Dollar Demand

    The Wall Street Journal reported on Thursday that the US Pentagon is considering sending 10,000 extra troops to Iran for ground attacks. Iran’s Parliament speaker Mohammad Bagher Ghalibaf said Iran would “rain fire” on any US troops entering Iranian territory, according to the BBC. A ground attack could escalate the war and disrupt energy supply, adding pressure to oil prices. WTI crude was up almost 2.5% above $102.00 at the time of writing. Higher oil prices can increase expectations of tighter Federal Reserve policy, as petrol costs rise in the US. CME FedWatch showed markets have almost ruled out a rate cut and implied a 24.6% chance of at least one rate rise by year-end, compared with two cuts expected before the war. US President Donald Trump told the Financial Times that a deal with Iran would come “very quickly”. The US calendar also includes March Nonfarm Payrolls data due on Friday.

    Looking Back And Market Drivers

    We recall this time last year when fears of a US ground invasion in Iran pushed the Dollar Index towards 100. Looking back, those geopolitical tensions created a significant, though temporary, demand for safe-haven assets. Today, with the DXY trading firmly around 104.5, it is clear that persistent inflation and a resilient US economy provided more lasting support for the dollar than those initial war fears. The spike in WTI crude oil above $102 in 2025 was a direct reaction to the threat of a widening conflict disrupting supply lines. That threat never fully materialized, and as of February 2026, EIA data shows a consistent build in US crude inventories, reflecting slowing global demand. Consequently, WTI is now trading in a much lower range, near $84 a barrel, shifting the market’s focus from supply shocks to demand weakness. The market’s pricing-out of rate cuts in 2025 was the correct call, as the Federal Reserve held rates steady through the end of the year to watch inflation. That hawkish stance is now softening, as the latest CPI data for February 2026 showed inflation cooling to 2.8%, well below the peaks of last year. The CME FedWatch tool now indicates a near 80% chance of a first rate cut by July, a dramatic reversal from the hike probabilities we saw during the Iran scare. Volatility was the key trade then, with the VIX index jumping to over 25 during the peak of the Middle East tensions. Now, with the VIX hovering at a much more subdued level of 15.6, implied volatility in options is relatively cheap. This suggests traders could consider buying options, such as puts on energy stocks, to protect against a further slide in oil prices driven by economic slowing. The main driver for markets has clearly shifted from geopolitical shocks to the timing of the Fed’s easing cycle. Traders should be less focused on broad dollar strength and more on interest rate-sensitive instruments. Using options on Treasury ETFs or SOFR futures can allow for more precise positioning on whether the Fed cuts in June or delays until later in the third quarter. Create your live VT Markets account and start trading now.

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