PoolCorp to Exit S&P 500 on June 22, Forcing Index Fund Selloff
POOL•PoolCorp will be removed from the S&P 500 on June 22, replaced by Marvell Technology and Flex. Passive index funds must sell PoolCorp shares, likely triggering significant outflows and downward pressure on the stock.
1. S&P 500 Removal
PoolCorp is set to be dropped from the S&P 500 effective June 22 as part of the quarterly index rebalance. It will be replaced by chipmaker Marvell Technology and electronics manufacturer Flex, following Marvell’s clearance of the S&P’s profitability requirement.
2. Impact on PoolCorp Stock
Index funds and ETFs that track the S&P 500 will be required to sell PoolCorp shares to realign portfolios, creating substantial outflows. Such forced selling typically exerts downward pressure on the stock and can widen bid-ask spreads in the days surrounding the removal date.



