The cryptocurrency market experienced a violent reaction to geopolitical news on April 18, 2026, after Iran announced the reopening of the Strait of Hormuz to commercial vessels. The announcement triggered an immediate and massive surge in Ethereum derivatives trading, leading to a significant short squeeze.
Within one hour of the announcement, Binance recorded over $1.72 billion in taker buy volume specifically for Ethereum (ETH) derivatives markets. This extraordinary volume figure stands out even by the exchange's historical standards. The intense buying pressure cascaded directly into a short squeeze, where aggressive long positioning forced short sellers to cover their positions, pushing the price of ETH higher.
Analyst Darkfost_Coc, citing data from CryptoQuant, noted that roughly $24 million in ETH short positions were liquidated almost instantly during that same one-hour window. The speed of the liquidation flush was described as unusual.
The market was primed for such a move. Funding rates for Ethereum were deeply negative at -0.004% prior to the announcement, indicating that the majority of the derivatives market was positioned short on ETH. This created a "loaded gun" scenario where a single macro headline could trigger an explosive unwind. The progress in U.S.-Iran negotiations in the preceding days had set the stage, but the Hormuz reopening confirmation was the spark traders had not fully priced in.
Darkfost_Coc highlighted that the current sensitivity of crypto investors to geopolitical headlines, particularly regarding the Iran-U.S. standoff, is making markets unstable and erratic. This event proved that aggressive leverage in such an environment is dangerous, as short sellers with high leverage and negative funding positions were caught with almost no time to react. The confidence spike following the reopening pushed rapid long positioning on Ethereum, which triggered the price move, the liquidations, and a subsequent amplification of the entire event.
