These guides explain the symbols, numbers and charts you see on a ticker page. They are written for individual investors, students and anyone who wants to understand market data before relying on it. None of them are investment advice.
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- What is a stock ticker?Ticker symbols explained: share classes, suffixes, international and crypto symbols, and how to find the right ticker.
- How to read a stock quoteLast price, change, bid and ask, ranges, volume, market cap, P/E and dividend fields, field by field.
- Key financial ratios at a glanceMarket cap, EPS, P/E, dividend yield, 52-week range and volume, with where each one misleads.
- How to read a stock chartAxes, candlesticks, time frames, volume, gaps, support and resistance.
- Common technical indicators explainedMoving averages, RSI, MACD, Bollinger Bands and the stochastic oscillator.
- Real-time vs. delayed market dataWhy free quotes lag 15 minutes, why two sources disagree, and when the delay matters.
- Tick data explainedTrade and quote ticks, tick size rules, tick charts and the NYSE TICK index.
- Stock market hours and holidaysNYSE and Nasdaq sessions, pre-market and after-hours, 2026–2027 holidays and world exchange hours.
- Stocks vs. ETFsHow single stocks and exchange-traded funds differ in structure, costs, risks and the numbers on a quote page.
- History of the stock tickerFrom the 1867 ticker-tape machine and Edison to electronic tickers and live quotes.
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