Podcast
The blink of an eye is a lifetime for HFT algos
by Adam Taggart
Saturday, October 6, 2012, 2:24 PM
In the blink of an eye, the market moves what used to take humans thirty minutes
High Frequency Trading (HFT) deeply concerns Erik Hunsader, founder of Nanex. He worries that today's investors, our regulators -- heck, even the HFT algorithms themselves -- don't fully understand the risks market prices face in our brave new era of bot-dominated trading.
For instance, Hunsader estimates that HFT algorithms are responsible for 70%(!) of all completed transactions on our exchanges, and for 99.9%(!!!) of all exchange quotes.
The pictures of trading floors you see on TV, where the people in bright jackets appear frantically busy in making their trades, have no bearing -- claims Hunsader -- on the actual trading action. The real action happens across fiberoptic cables, on racks of servers in cooled rooms; where an arms race defined in cable length and switching speeds.
The reality is that the machines have taken over. » Read more