Sure, it’s part of how they earn money, but competition between them limits what’s left, since they’re bidding against each other to take the other side from the retail investor, who buys from or sells to the hedge fund offering the best deal at the time (made somewhat worse by deadweight losses from investing in speed).
Sure, it’s part of how they earn money, but competition between them limits what’s left, since they’re bidding against each other to take the other side from the retail investor, who buys from or sells to the hedge fund offering the best deal at the time (made somewhat worse by deadweight losses from investing in speed).