In tomorrow's @TheEconomist (online now): March of the machines: The stockmarket is now run by computers, algorithms and passive managers economist.com/briefing/2019/… I recall a special @TheEconomist had in the 1980s predicting some of this -- still have a paper copy somewhere.

Oct 4, 2019 · 2:50 AM UTC

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Replying to @eddelbuettel @TheEconomist
So are the machines everywhere, not just financial markets
Replying to @eddelbuettel @TheEconomist
I think back to those early derivative price/risk systems we built in the 80's and marvel with respect how tight the spreads are now. In those days, butterflies were often free.
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