Key Takeaways
- Candlestick charts show the open, high, low and close price for each time period.
- Trends, support and resistance levels and trading volume are the foundations of chart reading.
- Indicators such as moving averages and RSI help summarize price behavior but never predict the future with certainty.
- Charts work best combined with risk management and an understanding of what you're buying.
Price charts can look intimidating at first, but the basics are learnable in an afternoon. Even if you never plan to day trade, knowing how to read a chart helps you understand what the market is doing and avoid buying in a panic. This guide covers the essentials.
Understanding candlestick charts
Most crypto charts use candlesticks. Each candle represents one period of time, such as one hour, one day or one week, and shows four prices:
- Open: the price at the start of the period
- Close: the price at the end of the period
- High: the highest price reached
- Low: the lowest price reached
The thick part of the candle, called the body, spans the open and close. The thin lines above and below, called wicks or shadows, show the high and low. A green (or hollow) candle means the price closed higher than it opened; a red (or filled) candle means it closed lower.
Long wicks tell you the price moved a lot during the period but was pushed back. A long lower wick, for example, suggests buyers stepped in after a drop.
Choosing a timeframe
The same market can look bullish on a daily chart and bearish on an hourly one. Long-term investors usually focus on daily and weekly charts, which filter out noise. Short-term traders use hourly or minute charts. Start with the daily chart, then zoom in or out to see the bigger picture.
Spotting trends
- Uptrend: a series of higher highs and higher lows.
- Downtrend: lower highs and lower lows. Prolonged downtrends define a bear market.
- Range or sideways market: price bounces between a relatively stable high and low.
Drawing a trendline connecting the lows in an uptrend, or the highs in a downtrend, makes the direction easier to see.
Support and resistance
Support is a price level where buying has repeatedly stopped declines. Resistance is a level where selling has repeatedly stopped rallies. These levels often form around previous highs and lows and round numbers. When price breaks decisively through resistance, that level sometimes becomes new support, and vice versa.
Reading volume
Volume bars, usually shown below the chart, display how much was traded in each period. Volume confirms moves: a breakout on heavy volume is more convincing than one on light volume. Very high volume during a sharp drop can signal panic selling, sometimes near a short-term bottom.
Popular indicators
Moving averages
A moving average (MA) smooths out price by averaging it over a set number of periods. The 50-day and 200-day moving averages are widely watched. Price above a rising 200-day MA is often seen as a healthy long-term trend. When the 50-day crosses above the 200-day, traders call it a "golden cross"; the opposite is a "death cross."
Relative Strength Index (RSI)
RSI measures the speed of recent price changes on a scale of 0 to 100. Readings above 70 are often described as overbought and below 30 as oversold. In strong trends, RSI can stay at extreme levels for a long time, so it's a context tool, not a signal on its own.
MACD
The Moving Average Convergence Divergence indicator compares two moving averages to highlight changes in momentum. Crossovers of its signal line are commonly used to spot shifts in trend.
Common chart patterns
- Double top and double bottom: two failed attempts to break a level, suggesting a possible reversal.
- Head and shoulders: a peak between two lower peaks, often viewed as a bearish reversal pattern.
- Triangles and flags: periods of consolidation that often precede a breakout in either direction.
Patterns are probabilities, not guarantees, and they fail often.
Beyond price charts
Crypto offers data traditional markets don't: public blockchain activity. Our on-chain data guide explains metrics like exchange flows and active addresses. Broader context also matters, which is why we cover market cycles and the latest crypto news.
Using charts responsibly
- Decide your entry, exit and position size before you trade.
- Use stop-loss orders and never risk more than you can afford to lose.
- Avoid leverage until you fully understand how liquidation works.
- Account for trading fees, which eat into frequent trading profits.
- If you don't want to trade actively, a simple dollar-cost averaging plan may suit you better.
Frequently asked questions
What is the best timeframe for crypto charts?
It depends on your strategy. Long-term investors typically use daily and weekly charts, while day traders use shorter timeframes such as 15 minutes or one hour.
Does technical analysis work in crypto?
Many traders find it useful for managing risk and timing entries, but no indicator reliably predicts prices. Crypto is especially prone to sudden moves driven by news and leverage.
What do green and red candles mean?
Green candles closed higher than they opened during that period; red candles closed lower.
Where can I view crypto charts for free?
Most exchanges include free charting tools, and dedicated charting platforms offer more indicators and drawing tools.
This guide is for educational purposes only and is not financial advice.
This content is for educational purposes only and is not financial advice. Cryptocurrency investments are volatile and risky. Some links may be affiliate links — see our disclosure.