Citi notes Hang Seng shorts at extreme amid regional flows shift

Citi said regional Asian equity flows have been dominated by long liquidation, with positioning divergence across markets. The most notable callout is Hong Kong 50/Hang Seng, where positioning has turned deeply bearish and short profitability is now described as extreme, making it Citi’s most stretched and risky setup globally. By contrast, KOSPI positioning remains elevated but is less extreme than a week ago, China A50 positioning is still high, and Nikkei bullish positioning has moderated. The note suggests sentiment is becoming increasingly one-sided in Hong Kong, which could raise the risk of a short squeeze if flows reverse or market conditions improve. Overall, the piece points to a positioning-driven market rather than a fundamental catalyst, with implications mainly for near-term volatility and potential mean reversion in Hong Kong equities.