> people who have provably low income

You want to give all your financial info to your brokerage?

What increasing latency will do is widen the markets. We’ll go back to the days of multiple cents or dollars between the bid and offer prices of stocks.

It will definitely increase the time horizon to make an investment profitable. But maybe that’s a societal good for some people…

In the modern era, adding a speed bump might just mean that all the trading moves overseas, to derivatives, or mutual funds. Money finds a way of flowing downhill