As you rotate Galton Board® (Stock Market Edition) on its axis, you set into motion a flow of steel beads that bounce with equal probability to the left or right through several rows of pegs. As the beads accumulate in the bins, they approximate the bell curve, as shown by the yellow line on the front of TRW. A similar distribution is found in nearly 600 monthly returns of a global stock market index, as shown in the red bars on the back. The Galton Board® allows you to visualize the order embedded in the chaos of randomly occurring events, such as cascading beads bouncing off of pegs and the news that creates the random walk of Wall Street.

Videos

Books

FRANCIS GALTON VIDEO SERIES

PART 1
WHENEVER YOU CAN COUNT
PART 2
THE WISDOM OF THE CROWDS
PART 3
REVERSION TO THE MEAN
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