&gt; A better question is why do we even have &#x27;High Frequency Traders&#x27;?<p>High Frequency Traders (HFT) do a lot of positive things for a market - mainly providing liquidity where they might otherwise not be. They also act as a sort-of balancing force for undervalued or overvalued stocks (in the volume the HFT&#x27;s trade with over time), &quot;normalizing&quot; the VWAP and TWAP (among other health indicators) for a given ticker.<p>In other words, markets want (and benefit from) HFT&#x27;s.