Valero Energy Corporation - 1990  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 1990 compared to the probability calculated by a random walk model.

Initial Value*: $1.5 Hist. Volatility: 2.53% Annual Drift: 7% Final Value*: $1.6 Percentile: 55%
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 1990 (what's this?).