Technical Analysis Basics for Crypto Traders
Learn the foundations of technical analysis — candlestick charts, support and resistance, trend identification, and key indicators like RSI, MACD, and EMA. A practical guide for on-chain traders.
What Is Technical Analysis?
Technical analysis (TA) is the study of historical price and volume data to forecast future price movements. Unlike fundamental analysis, which examines a project's underlying value, TA focuses entirely on what the chart is telling you.
Price Action
All known information is reflected in the price. Charts encode the collective sentiment of every market participant.
Patterns Repeat
Human psychology drives markets. Fear, greed, and herd behavior create recurring patterns across timeframes.
Probabilistic Edge
TA does not predict the future — it identifies setups where the odds favor one outcome over another.
TA Is a Tool, Not a Crystal Ball
Reading Candlestick Charts
Candlestick charts are the most widely used chart type in trading. Each candle represents price movement over a specific time period and encodes four data points.
| Component | Meaning |
|---|---|
| Open | The price at the start of the time period |
| Close | The price at the end of the time period |
| High | The highest price reached during the period |
| Low | The lowest price reached during the period |
| Body | The filled area between open and close — green if close > open, red if close < open |
| Wicks (Shadows) | Thin lines above/below the body showing the high and low extremes |
Bullish Patterns
- • Hammer: Small body, long lower wick — buyers rejected lower prices
- • Engulfing: Green candle fully engulfs the prior red candle
- • Morning Star: Three-candle reversal pattern at support
Bearish Patterns
- • Shooting Star: Small body, long upper wick — sellers rejected higher prices
- • Bearish Engulfing: Red candle fully engulfs the prior green candle
- • Evening Star: Three-candle reversal pattern at resistance
Support & Resistance
Support and resistance are price levels where buying or selling pressure has historically concentrated. They form the backbone of most trading strategies.
Support
A price level where buying interest is strong enough to prevent the price from falling further. Think of it as a "floor." The more times a support level holds, the stronger it is.
Resistance
A price level where selling pressure is strong enough to prevent the price from rising further. Think of it as a "ceiling." Broken resistance often becomes future support.
Role Reversal
- Horizontal Levels: Drawn at prices where the chart has reversed multiple times. The more touches, the more significant.
- Round Numbers: Psychological levels like $100,000 BTC or $3,000 ETH act as natural support/resistance because many traders place orders there.
- Volume Profile: Areas with high historical trading volume (high-volume nodes) act as strong S/R because many positions were opened there.
Identifying Trends
The trend is the general direction of price movement. Trading with the trend is one of the highest-probability strategies in any market.
Uptrend
Higher highs and higher lows. Each pullback bottoms above the previous low, and each rally makes a new high. Favor long positions.
Downtrend
Lower highs and lower lows. Each rally fails below the previous high, and each drop makes a new low. Favor short positions.
Range / Sideways
Price oscillates between a defined support floor and resistance ceiling. Buy near support, sell near resistance, or wait for a breakout.
Trend Is Your Friend
Key Indicators: RSI, MACD & EMA
Indicators are mathematical calculations applied to price and volume data. They help quantify momentum, trend strength, and potential reversals.
RSI — Relative Strength Index
Measures momentum on a 0–100 scale. Default period: 14.
- • Above 70: Overbought — price may be due for a pullback
- • Below 30: Oversold — price may be due for a bounce
- • Divergence: Price makes a new high but RSI does not — weakening momentum
MACD — Moving Average Convergence Divergence
Shows the relationship between two EMAs (typically 12 and 26 period).
- • MACD crosses above signal line: Bullish momentum
- • MACD crosses below signal line: Bearish momentum
- • Histogram: The difference between MACD and signal — growing bars = strengthening trend
EMA — Exponential Moving Average
A smoothed average that weights recent prices more heavily. Common periods: 20, 50, 200.
- • Price above EMA: Bullish bias — EMA acts as dynamic support
- • Price below EMA: Bearish bias — EMA acts as dynamic resistance
- • Golden Cross (50 EMA crosses above 200 EMA): Long-term bullish signal
- • Death Cross (50 EMA crosses below 200 EMA): Long-term bearish signal
Putting It All Together
Technical analysis is most powerful when you combine multiple tools into a coherent workflow. Here's a practical framework:
Identify the Trend
Check the daily chart. Is price making higher highs (uptrend), lower lows (downtrend), or ranging? Trade in the direction of the trend.
Find Key Levels
Mark horizontal support and resistance levels where price has reversed multiple times. These are your trade zones.
Wait for Confluence
Look for setups where multiple signals align — e.g., price touching support + RSI oversold + bullish candle pattern.
Plan the Trade
Define your entry, stop-loss, and take-profit before entering. Calculate your risk/reward ratio — aim for 2:1 or better.
Execute & Manage
Enter the trade and let your plan play out. Do not move your stop-loss further away. Consider partial exits at key levels.
Keep Learning
Risk Warning: Trading perpetual futures involves significant risk of loss. Only trade with capital you can afford to lose. Dexly is a non-custodial interface; you are responsible for your own funds and trading decisions.