Money · Facts & sources
5 sourced facts about quantitative finance ("quants") and algorithmic trading, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Answer60–73%
In the years after the 2008 crisis, ultra-fast HFT firms had come to dominate U.S. stock trading despite being a small share of all trading firms.
Source: Wikipedia, citing industry/SEC data (2009) en.wikipedia.org
Answeras high as 80%
Some European markets had algorithms behind the large majority of trades even before the practice became common knowledge to the public.
Source: Wikipedia: Algorithmic trading (2008) en.wikipedia.org
Answeraround 92%
By the end of the 2010s, human currency traders placed only a small fraction of forex orders directly.
Source: Wikipedia: Algorithmic trading (2019) en.wikipedia.org
Answer$130 billion
Renaissance Technologies grew from a small statistical-arbitrage shop into one of the largest and most secretive quant funds on Wall Street.
Source: Wikipedia: Renaissance Technologies (2021) en.wikipedia.org
Answerabout 76%
Even decades after it started, the secretive Medallion Fund kept posting outsized annual returns that dwarf ordinary stock-market gains.
Source: Wikipedia: Renaissance Technologies (2020) en.wikipedia.org