Big Data

The Secret Financial Market Only Robots Can See


What if someone told you the stock market crashed and spiked 18,000 times since 2006, and you had no idea?

That’s the contention of a group of scientists who study complex systems after analyzing market data, collected by Nanex, since the advent of high-speed trading. While the fallout of computerized algorithms has been seen before, including the infamous 2010 “flash crash,” when markets lost nearly 10 percen of value in just a few minutes, that same kind of sudden volatility is going on all the time, unseen.
In a new paper called “Abrupt rise of new machine ecology beyond human response time,” researchers found a new trading ecosystem that humans don’t even notice.

Read the full story at Quartz.

(Image via isak55/

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