LEARN · VALUATION
The price-to-earnings ratio compares a stock’s market price to its earnings per share. A trailing (TTM) P/E uses the last four reported quarters of diluted EPS. If EPS is missing, zero, or negative, a meaningful trailing P/E cannot be shown.
Investors use P/E as a quick valuation scan — not a buy/sell signal. Cross-section compares only work when EPS definitions match and earnings are not distorted by one-offs.
On stock pages and the EQS screener, trailing P/E is derived from delayed public price ÷ SEC companyfacts diluted EPS (TTM). Empty cells stay — — we never invent EPS or fill zero.