Get the pe ratio charts for Nasdaq (NDAQ). We're 100% free for everything. Get 20 years of historical pe ratio charts for NDAQ stock and other companies. Using PE ratio to assess current stock price. Via line chart to visualize the fluctuation of stock price and PE ratio. The PE ratio is a typical indicator that evaluates the reasonability of the stock’s price. The formula is PE ratio = (Price Per Share) / (Earning Per Share). Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions. The NASDAQ P/E ratio measures the composite index price relative to the aggregate trailing earnings of its 3,000+ constituents. Given its tech-heavy composition, it captures the premium investors pay for technology growth. Abstract One of the primary tools for asset evaluation on stock market is to use price-to-earnings (P/E) ratio. The method is simple and has become popular among many investors for. This article examines market valuation using two key metrics: the Trailing Twelve-Months (TTM) Price-to-Earnings (P/E) ratio and the P/E10 ratio. While the TTM P/E is a standard method, it has significant flaws. Is the U.S. stock market overvalued in 2026? We break down the CAPE ratio, Buffett Indicator, P/E ratios, and what elevated valuations mean for your portfolio right now.