Hedge funds gear up for Japan’s $60 billion Topix revamp trade

What happened: The biggest-ever rebalancing of the Topix equity benchmark takes effect, with a reshuffle impacting more than 700 stocks. The change starts Friday and is implemented across eight quarterly phases through mid-2028. Key numbers: Around $60 billion of passive trading expected at Thursday's close. More than 700 stocks impacted. Why it matters: The rebalancing is the latest step in Japan Exchange Group's yearslong effort to make the Topix more investable. It offers a potential boon to arbitrageurs and hedge fund traders predicting the winners and losers.

The biggest-ever rebalancing of the Topix equity benchmark takes effect, with a reshuffle impacting more than 700 stocks. The change starts Friday and is implemented across eight quarterly phases through mid-2028.

The rebalancing is the latest step in Japan Exchange Group's yearslong effort to make the Topix more investable. It offers a potential boon to arbitrageurs and hedge fund traders predicting the winners and losers.