PPL Corp - 1988  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 1988 compared to the probability calculated by a random walk model.

Initial Value*: $1.8 Hist. Volatility: 1.29% Annual Drift: 7% Final Value*: $2.1 Percentile: 67%
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 1988 (what's this?).