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.
Answerabout 50%
HFT's share had come down from its late-2000s peak but still made up roughly half of all U.S. stock trading.
Source: Wikipedia: Algorithmic trading (2012) 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
Answerabout 80%
Algorithmic trading had come to dominate currency markets by the mid-2010s, up sharply from about a quarter of orders a decade earlier.
Source: Wikipedia: Algorithmic trading (2016) 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
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