Jaffray Woodriff (@jaffrayw) 's Twitter Profile
Jaffray Woodriff

@jaffrayw

Chief Scientist & CEO QIM. UVa School of Data Science (Founder/Funder). Embrace Simplicity, Beware Complexity. Coding at CODE. Honesty. Sleep. Squash.

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linkhttp://quantitative.com calendar_today01-09-2011 09:18:28

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If trading costs rise, volatility is expected to rise, all else equal. Higher costs reduce the diversity of market participants. #HFT #FTT