American Express Company - 1975  (Inactive Symbol)

The following graph plots the year-to-date performance of the stock for 1975 compared to the probability calculated by a random walk model.

Initial Value*: $0.6 Hist. Volatility: 3.49% Annual Drift: 7% Final Value*: $0.9 Percentile: 76%
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 1975 (what's this?).