Bitcoin Drops Below $73K as Iran Strikes Spark $1B Liquidations

Bitcoin sank below the $73,000 mark on May 28, 2026, as a fresh wave of US military strikes on Iran jolted global risk markets and triggered roughly $1 billion in crypto liquidations across the top exchanges. The move, first reported by CoinDesk and corroborated by Decrypt, snapped a tight consolidation range and pulled crypto majors lower as traders priced in a sharp geopolitical risk-off cascade.

What triggered the sell-off

The trigger was a confirmed round of US strikes on Iranian targets in the early Asia trading hours, which pushed brent crude sharply higher in pre-market and sent equity futures, gold and crypto all into a defensive bid. Bitcoin, which had been holding the $74K to $76K range for most of the prior week, lost the lower bound in minutes and accelerated through stop clusters down to the $72,800 area before steadying. The market read was simple: a higher oil tape and a hot geopolitical conflict raise the probability of sticky inflation, delayed rate cuts, and a slower path back to risk.

The $1B liquidation breakdown

According to Coinglass data captured at the depth of the move, Binance processed roughly $430M in liquidations, OKX printed about $240M, and Bybit came in near $180M, with the rest split across Bitget, Hyperliquid and the long tail. Longs accounted for close to 85% of the wipeout, with BTC and ETH leading. The single largest individual liquidation flagged on the tape was an $18M ETH-USD long on Binance.

BlackRock IBIT $528M outflow context

Spot Bitcoin ETFs took the hit with the underlying. BlackRock IBIT printed a $528M net outflow, the largest single-day redemption since the product launched and the second largest absolute figure on record across all US spot BTC ETFs. The IBIT bleed extends a pattern we have been tracking in the broader ETF flow rotation, where institutional capital has been moving out of BTC wrappers and into XRP and equity products. The May 28 print, however, is a clean risk-off flush rather than a rotation flow.

ETH sub-$2K and a record short OI

Ethereum lost the $2,000 psychological level for the first time since early April, with spot trading down to $1,948 at the lows. Aggregate ETH futures open interest climbed to a record $16M positioning short in net terms by the close of the session, the most aggressive negative skew of the cycle. That setup is a double-edged sword: it can fuel further downside if BTC follows through under $72K, but it sets up an obvious short-squeeze fuel pile if the geopolitical headline tape cools.

XRP under $1.30, 16-week lows

XRP cracked the $1.30 handle to print fresh 16-week lows near $1.27, dragging the large-cap altcoin complex down with it. The move puts the entire post-March rotation trade back on the table and lines up with the softer ETF demand context we covered in the recent risk-on rotation breakdown from May 27. If $1.25 fails to hold, the next visible liquidity pocket sits around $1.12.

What traders should watch next

Eyes are on three levels. For BTC, the line in the sand is $72,000: a clean break opens $68K to $70K as the next demand shelf. For ETH, the record short OI means a reclaim of $2,050 could trigger a fast unwind back toward $2,180. And on the macro frame, Standard Chartered reiterated its $4,000 ETH medium-term target in a same-day client note, arguing the geopolitical shock is a headline event and not a regime change for crypto flows. The next 48 hours of Iran headlines and the Friday ETF tape will decide which side of that thesis the market wants to trade.

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