Does Tradebot Have a Perfect Trading Record?

I have no idea if the following boast is true, but, how is this algo driven trading performance remotely possible ?:

“The founder of Tradebot, in Kansas City, Mo., told students in 2008 that his firm typically held stocks for 11 seconds. Tradebot, one of the biggest high-frequency traders around, had not had a losing day in four years, he said.

11 second average holding time, and never a losing day in 4 years? Sounds like bullshit to me . . .

NY Times via FT

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