Update: dictionary.com says twice a year... it continues with the definition with every two years: Biennial. In Britain, it seems, it might mean both... but in the U.S. biannual means twice a year.
We're talking about the price-to-earnings, or P/E, ratio. The current 12-month forward P/E ratio is 16.8, FactSet's John Butters said on Friday. This P/E ratio is above the 5-year average (13.8) and the 10-year average (14.1).. But just because stocks are expensive relative to their long-term average is no guarantee that prices are doomed to fall immediately.
The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for the trailing 12 month period. Earnings Per Share (TTM).arket Capitalization. Reflects the total market value of a company. Market Cap is calculated by multiplying the number of shares outstanding by the stock's price. For companies with multiple common share classes, market capitalization includes both classes.