If the United States fully engages in war with Iran, the financial markets will experience significant volatility, primarily manifested as a "risk-off" mode, with intensified fluctuations in the short term. The long-term impact will depend on the scale, duration of the conflict, and whether it affects the Strait of Hormuz (which accounts for about 20% of global oil transport). As of now (February 2026), the tensions between the U.S. and Iran have led the market to price in risks early: Brent crude oil briefly rose over 4% to nearly a 7-month high (around $71 per barrel), WTI crude oil is about $66 per barrel; gold surpassed $5000 per ounce; U.S. stocks dipped slightly (Dow Jones down about 0.5%). An actual outbreak of war would amplify these reactions $BTC
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Gold, silver, and other safe-haven assets have surged significantly: gold has risen to over $5000 due to tensions, and a full-scale war could push it to new records (under stagflation expectations). Silver has also surged in tandem.
Reasons: uncertainty + inflation hedging demand. Historically, gold is often the "winner" in geopolitical conflicts.
The global stock market has plummeted: U.S. stocks (S&P 500, NASDAQ), European, and Asian stock markets (including Hong Kong's Hang Seng Index and A-shares) have experienced panic selling, with future growth expectations turning negative. The VIX fear index (U.S. stock volatility) has soared (currently above 20, and will be higher in the event of war).
Defensive sectors (such as military, energy) may rise against the market trend; cyclical stocks in technology, consumer, and aviation sectors have severely declined.