National Western Life Group, Inc. - 1993  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 1993 compared to the probability calculated by a random walk model.

Initial Value*: $46.0 Hist. Volatility: 3.37% Annual Drift: 7% Final Value*: $43.6 Percentile: 54%
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 1993 (what's this?).