Helmerich & Payne, Inc. - 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*: $2.3 Hist. Volatility: 2.21% Annual Drift: 7% Final Value*: $2.5 Percentile: 61%
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?).