Knight’s Berserk Algo Bought $2.6 Million Worth Of Stock Every Second
from Zero Hedge
While we already presented, courtesy of Nanex, the modus operandi of the Knight berserker algo, there was one outstanding question. What was the bottom line. And no, not how much the loss on Knight’s Income Statement would be as a result of this glimpse into what really happens in the market: we already knew that would be $440 million. The question is what is the notional amount of stock that this algo bought in the 45 minutes in which it was operational. We now know: $7 billion. Or $155 million per minute. Or $2.6 million per second. Or, assuming the algo impacted just 150 stocks as previously reported, it was buying on average $17,333 in each name every second. Or, assuming an average stock price of the universe of 150 stocks of $30/share, the Knight algo lifted the offer roughly 600 times each second. For 45 minutes straight! That’s right – the market making algorithm of a designated market maker which is responsible for 10% of the order flow in the US stock market, entered a pre-programmed mode (because the computer was told to do whatever it did by someone, and not without reason) that saw it buy up $2.6 million worth of stock every second.
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2012-08-08 22:46:16
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