Geron Corporation - 2009  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 2009 compared to the probability calculated by a random walk model.

Initial Value*: $4.4 Hist. Volatility: 5.01% Annual Drift: 7% Final Value*: $5.2 Percentile: 69%
Click on the image for the high resolution version.

The high to date and low to date prices of the stock plotted against a random walk model for 2009 (what's this?).