Autor: reformed broker
Link: thereformedbroker.com/2015/08/27/...rs-are-the-new-dumb-money/
...You want the box score on this latest weekly battle in the stock market?
No problem: Humans 1, Machines o
Because if you think it was human beings executing sales of Starbucks (SBUX) down 22% on Monday’s open, you’re dreaming. And if you believe that it was thinking, sentient people blowing out of Vanguard’s Dividend Appreciation ETF (VIG) at a one-day loss of 26% at 9:30 am, you’ve got another thing coming.
By and large, people did the right thing this week. They recognized that JPMorgan and Facebook and Netflix should not have printed at prices down 15 to 20% within the first few minutes of trading and they reacted with buy orders, not sales. They processed the news about the 1200+ individual issue circuit-breakers and they let the system clear itself.
Rational, experienced people understood that an ETF with holdings that were down an average of 5% should not have a share price down 30%.
Conversely, machines can only do what they’ve been programmed to do. There’s no art, there’s no philosophy and there’s no common sense involved. And volatility-shy trading programs have been programmed to de-risk when prices get wild and wooly, period. Their programmers can’t afford to have an algo blow-up so the algos are set up to pull their own plug, regardless of any qualitative assessment during a special situation that is obvious to the rest of the marketplace...
komplett s.o.
'das ganze ist das unwahre'