Even the luminaries in the quant fund world have gotten it wrong in the volatility.

FORBES: Boston Robo-Trader Chooses Cash Over Equity

Last week, the black box investors at Boston quant fund ClearStream Investments said the big emerging market exchange traded funds were all a buy.

FORBES: The Black Box Says Sell Equities, Keep the Change

But as of market close on Wednesday, the quant fund is recommending clients buy all the big four EM exchange traded funds and then some.

FORBES: Emerging Markets Back On The Buy List...But For How Long?

Legend Financial's Stanasolovich expects the quant fund unwind to continue.

FORBES: Money & Investing

For a big enough quant fund, 51% would be fine.

FORBES: Man Vs. Machine On Wall Street

The quant fund model over at ClearStream Investments in Boston has been buying in and out of the big emerging markets for the last month, but never convinced to hold onto those equities packed in the popular exchange traded funds for longer than a couple of weeks, tops.

FORBES: In a Schizo Market, the "Black Box" Says Stick to Cash

The PowerShares Dynamic Energy Fund (PXI) is a quant-driven fund that uses fundamental- and momentum-based factors to select and weight its holdings.

FORBES: Riding The Energy Bull With The Right ETF

Remember in 2011, even Goldman Sachs would close down their quant Global Alpha fund.

FORBES: A Quant's Perspective on 2011 (and 2012)