Cryptocurrencies fell across the board Tuesday as Iran retaliated against U.S. military strikes with rocket and drone attacks on American bases, sending Brent crude past $95 and reigniting fears of an energy-driven inflation spike that could push the Federal Reserve toward rate hikes.
Bitcoin opened Wednesday at $77,395, down 1.5% from Tuesday’s opening price. Ethereum slid 2% below $2,400 to around $2,373. High-beta assets took heavier losses: Solana fell more than 3%, XRP dropped over 2.5%, and Dogecoin shed 3.1%. Every large-cap token fell over the past 24 hours, with the high-beta majors giving up roughly triple what Bitcoin did, per CoinDesk data. The broad decline erased gains from a late-August rally that had pushed Bitcoin up 25% in August and lifted the Crypto Fear and Greed Index to 70, classified as Greed, up from a 30-day average of 47.
Energy Prices Drive Rate Hike Bets
Brent crude rose to $95.60 after overnight strikes near the Strait of Hormuz pushed supply disruption concerns to new highs. The Hormuz corridor handles roughly 20% of global oil transit, and previous U.S.-Iran escalations in March sent Brent briefly above $100 before tensions eased. The oil spike is changing the calculus for the September 15-16 FOMC meeting. Markets now price a roughly 64% probability of a rate hike, up from 35% just a week ago, a dramatic shift in five trading days that has rattled risk assets broadly across equity and crypto markets alike.
Cryptocurrencies, which pay no interest, tend to underperform when rate expectations rise because investors shift toward yield-bearing assets. The correlation between oil prices and crypto has tightened since the first U.S.-Iran strikes earlier this year, as energy costs flow directly into inflation expectations and Fed policy decisions. U.S. Treasury yields climbed on the news, with the 10-year pushing toward 4.79%, adding further pressure on risk assets across the board.
The S&P 500 and Nasdaq both opened lower Wednesday, though they recovered some ground by midday. The broader risk-off mood in equities spilled over into crypto, where trading volumes spiked as traders moved to reduce exposure and de-risk ahead of further potential escalation over the coming days. CoinGecko reported total crypto market cap at $2.7 trillion, down 1.4% over 24 hours, with total trading volume at $82.3 billion across all exchanges.
ETF Flows and Positioning
The selloff comes after a brief recovery in institutional demand. Bitcoin ETFs resumed buying Monday with $217 million in inflows, one session after an outflow ended a nine-day inflow streak. Ether ETFs have not posted a red day since mid-August, accumulating 11 consecutive days of positive flows. That momentum could stall if risk-off sentiment deepens, as it did during the March escalation when Bitcoin ETFs saw $890 million in outflows over three trading sessions.
The Crypto Fear and Greed Index at 70 suggests the market was positioned for further upside before the Iran news hit. That kind of one-sided positioning amplifies selloffs, as overleveraged longs get forced out and panic selling feeds on itself. CoinGlass data shows the market saw $46.5 million in liquidations over the past 24 hours, with longs accounting for 86.7% of the total. Over the past seven days, total liquidations reached $325.9 million across major exchanges including Binance, Bybit, and OKX, with no evidence of a short squeeze forming to reverse the downward trend.
September Seasonality Adds Pressure
September has historically been one of Bitcoin’s weakest months. Bitcoin has closed August green only two times since 2020, and on both occasions September fell 7.3% and 8% respectively. Three of the five 2026 rate decision days have coincided with sell-offs rather than rallies, and the pattern tends to repeat when macro uncertainty is elevated. Bitcoin is already down 9.62% year-to-date despite the August rally, sitting well below its all-time high of $128,198 set in October 2025.
The combination of geopolitical risk, rising rate expectations, and seasonal weakness creates a difficult setup for the rest of the month. Ethereum, which rallied 32.5% in August, is now down 44% from its all-time high of $4,953 set in August 2025. The broader altcoin market is even more exposed, with many tokens giving back the majority of their August gains in a single session as traders flee to the relative safety of Bitcoin and stablecoins.
What Comes Next
If Iran continues retaliatory strikes and oil pushes above $100, the Fed’s hand may be forced toward tightening that would further suppress risk appetite across markets, crypto included. The September 15-16 FOMC meeting is now the next major inflection point for crypto prices. Before the Iran escalation, markets were pricing roughly 65% odds of a hold at that meeting. With energy inflation climbing and rate hike bets surging toward 64%, the Fed’s decision could set the tone for the rest of the year.
Analysts point to $75,000 as the key support level for Bitcoin. A break below that would trigger another round of liquidations and could send the price toward $72,000, the level that held during the August consolidation. On the upside, a reversal in oil prices or a de-escalation in the Iran conflict would quickly restore risk appetite, as the late-August rally showed how fast sentiment can shift when macro headwinds ease. For now, crypto is caught between war premiums in energy markets and the prospect of tighter monetary policy, a combination that has historically been difficult for risk assets to trade through.
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