Ahead of the Fed decision, traders drove the Dollar index down, amid broad weakness and Iran tensions

    by VT Markets
    /
    Mar 18, 2026
    The Dollar index (DXY) fell for a second day, closing about 0.1% lower at 99.57 on Tuesday. The move came as markets positioned ahead of the Federal Reserve decision and reacted to geopolitical tensions linked to Iran. The Fed is widely expected to keep interest rates unchanged on Thursday at 2AM SGT. Attention is on how policymakers may respond if the war creates pressure on inflation while also weighing on jobs.

    Fed Statement Watch

    The Fed statement may refer to risks from the Iran war and add more balanced wording on the future rate path. It may point to upside risks to inflation and downside risks to employment. In the Summary of Economic Projections, markets expect a sharp rise in this year’s PCE inflation forecast and a slight downgrade to activity. The median projection is still expected to show one 25 bps rate cut this year. Looking back at the analysis from early 2025, we saw the dollar index showing broad weakness ahead of the Fed’s decision. The DXY fell for a second day to 99.57 as we all positioned for the central bank and reacted to geopolitical risk. This setup suggested that short-term dollar downside was the path of least resistance. At that time, we widely anticipated the Fed would hold rates steady, which the CME FedWatch tool showed with over a 90% probability for the March 2025 meeting. The market was correctly pricing in just one 25 basis point cut for later in that year. This created a tense environment where the Fed’s updated economic projections were more important than the rate decision itself.

    Volatility Hedging Strategies

    The uncertainty from the conflict in Iran caused a noticeable spike in implied volatility, which we saw reflected in the VIX index jumping above 20. This environment makes buying protection through options, such as puts on broad equity indices like the SPX, a prudent strategy. Hedging against sudden downside risk linked to geopolitical headlines should be a priority. That conflict also presented clear opportunities in energy derivatives, as WTI crude futures surged from the mid-$80s toward $95 per barrel in that period. We saw a significant increase in trading volume for call options on crude oil and energy ETFs. This remains a key strategy to position for further supply-side shocks that could drive inflation higher. Given the Fed’s conflicting goals of fighting inflation while minding downside employment risks, we should anticipate a choppy, range-bound dollar. This suggests strategies like selling strangles on major currency pairs such as EUR/USD could be effective. The goal is to collect premium from elevated volatility while the market waits for a clearer policy direction from the Fed. Create your live VT Markets account and start trading now.

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