David Wren-Hardin
- 2010-07-16 — Qualitative Reversals, from Peter Earle
- 2010-07-11 — Lebron, from Dan Grossman
- 2009-11-24 — Dissimilitude? from Alan Millhone
- 2009-09-24 — IQ, Seasonality, Heredity and Environment, from Steve Ellison
- 2007-07-28 — If There Really Were a Plunge Protection Team, from Larry Williams
- 2007-07-05 — Short Interest Question, from Ken Smith
- 2007-05-29 — Anti-Americanism in One Easy Lesson, from George Zachar
- 2007-05-01 — Briefly Speaking, from Victor Niederhoffer
- 2007-04-30 — Open and Close Crosses on ETFs, a Query, from Charles Pennington
- 2007-04-22 — The Volatility Surface, from George Zachar
- 2007-02-26 — Advice for an Aspiring Trader, from David Wren-Hardin
- 2006-10-10 — Mandelbrot, Fractals and Chaos Theory, by Dr. Phil McDonnell