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A comment on Almost 80% of Private Day Traders Lose Money. Parent comment

Re:Almost 80% of Private Day Traders Lose Money by yfhsjjskc on Monday August 22, 2016 @01:34PM (#12337935)
So he beat one particular hedge fund, that hardly proves that "essentially no traders beat the performance of index funds long-term."
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Re:Almost 80% of Private Day Traders Lose Money by emodendroket on Monday August 22, 2016 @02:05PM (#12338152)
http://www.cnbc.com/2015/06/26/index-funds-trounce-actively-...

> Pity the active fund manager.

> More dollars have flowed to index strategies that track a market benchmark, such as the S&P 500 index, partly because such funds typically have lower costs than active funds and more investors believe that stock-picking managers can't regularly beat the financial markets.

> Now a new Morningstar study, released this week at the Morningstar Investment Conference, finds that actively managed funds lagged their passive counterparts across nearly all asset classes, especially over a 10-year period from 2004 to 2014.

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Re:Almost 80% of Private Day Traders Lose Money by yfhsjjskc on Monday August 22, 2016 @03:38PM (#12338816)
This evidence all suffers from the problem that you are trying to prove a very difficult claim. Information about averages won't help you here.
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Re:Almost 80% of Private Day Traders Lose Money by emodendroket on Monday August 22, 2016 @03:56PM (#12338956)
"Essentially nobody" is admittedly not well-defined, but I don't take it to mean that a handful of guys doing better would disprove it (and in any case have trouble finding any data points in favor of the opposite position).
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Re:Almost 80% of Private Day Traders Lose Money by yfhsjjskc on Monday August 22, 2016 @11:35PM (#12341217)
I claim that the top 20% (as specified in the headline) could not be reasonably described as "essentially nobody". And the article you linked two posts ago found that more than 20% of funds beat the market.
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Re:Almost 80% of Private Day Traders Lose Money by emodendroket on Tuesday August 23, 2016 @09:06AM (#12343379)
That's over the course of a year, which is not what I would consider a long-term measure. Over the course of the year, sure, you could easily have people who beat the market.
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