Community Health Systems - 2006  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 2006 compared to the probability calculated by a random walk model.

Initial Value*: $31.4 Hist. Volatility: 1.22% Annual Drift: 7% Final Value*: $29.9 Percentile: 34%
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 2006 (what's this?).