Shorts ripping off
Hedge funds are covering shorts at the fastest pace since 2020, a wave of forced buying that traders say has pushed rallies in SPX/QQQ/SPY. ( ) Posts claim the unwind was triggered by Iran ceasefire signals and cited up to $14 trillion in leveraged shorts liquidated, with pockets of extreme short interest—near 95% of float in some names—forcing buyers via in‑the‑money calls and delta‑hedging. ( )
A short squeeze is a rally powered by sellers turning into buyers, and that is what has been hitting U.S. stocks in April. Hedge funds have been closing bearish bets at the fastest pace since March 2020, according to Goldman Sachs data reported by Bloomberg. (bloomberg.com) The move accelerated this week as systematic funds, including commodity trading advisors, bought $86 billion of stock exposure over the last five trading sessions, a Goldman note seen by Reuters said on April 17. Reuters also reported Goldman expects another roughly $70 billion of buying over the next month if current market conditions hold. (reuters.com) Stocks rose alongside the unwind. Reuters reported the S&P 500 and Nasdaq closed at record highs on April 16 as traders focused on signs of Middle East de-escalation, while CNBC said on April 17 that the S&P 500 traded above 7,100 and the Nasdaq gained about 1% after Iran said the Strait of Hormuz was open to commercial traffic. (reuters.com, cnbc.com) The mechanics are simple. A short seller borrows shares and sells them first, hoping to buy them back later at a lower price; if the stock rises instead, covering the position means buying shares back into a rising market, which can push prices up further. (sec.gov) That feedback loop can get stronger in options markets. When traders buy call options that are already in the money, dealers often buy the underlying shares to hedge their own risk, a practice known as delta hedging, and that dealer buying can add to the squeeze. (theocc.com) The backdrop was already tense before this week’s rally. Bloomberg reported in late March that hedge funds had sold global stocks at the fastest pace in 13 years, leaving funds heavily positioned for more downside before the reversal began. (bloomberg.com) By April 13, Goldman’s prime brokerage desk was already telling clients that hedge funds had piled into bullish stock bets on expectations of a ceasefire tied to Iran talks. Reuters said that buying was concentrated in macro products, especially exchange-traded funds and index futures, rather than only in individual companies. (reuters.com) That helps explain why the move showed up so clearly in broad market funds like SPDR S&P 500 ETF Trust and Invesco QQQ Trust. Exchange-traded funds are common vehicles for fast hedging and fast covering, and QQQ’s published short interest alone stood at 61.76 million shares, or 9.52% of float, as of March 31. (marketbeat.com) Claims on social media that “$14 trillion” of shorts were liquidated or that some names were 95% short are harder to verify from public data. In the U.S., short interest is reported only twice a month, and FINRA says firms submit those positions on a semimonthly schedule, which means public snapshots can lag fast market moves. (finra.org, finra.org) The immediate question is whether the rally keeps feeding on forced buying or has to find a new source of demand. MarketWatch reported on April 11 that position shuffling and short covering had driven much of the rebound, while Goldman’s April 17 note said trend-following funds may still have room to buy if volatility stays contained. (marketwatch.com, reuters.com)
