Interpreted Prediction
Despite a 22% drop on Black Monday in 1987, the market rallied 800% over the subsequent 13 years.
AI Evaluation Notes
The prediction stated that the market rallied 800% over the 13 years following the Black Monday crash of 1987. The S&P 500, a common measure of the stock market's performance, increased by approximately 818% during the period from October 1987 to October 2000.