Before talking RSI, MACD or chart patterns, let's lay the groundwork. Technical analysis (TA) is the study of past price behavior to estimate the probability of future price movements. Nothing more. Nothing less. It's neither magic, nor esotericism, nor a crystal ball — it's a statistical discipline, and like all disciplines, it has strengths and limits you must understand before piling on indicators.
The three founding principles
Modern technical analysis rests on three assumptions, formalized in the late 19th century by Charles Dow — founder of the Wall Street Journal and creator of the first stock index, the Dow Jones:
1. Price reflects everything
Everything that is known or can be known (fundamentals, news, sentiment, actor positions) is already integrated into the current price. If you buy because news came out this morning, you're probably late — faster participants have already adjusted positions. TA starts from the principle that it's more efficient to read what the market is doing than to react to supposed causes.
2. Price follows trends
Prices don't move in totally random ways. They form trends (bullish, bearish, or sideways) that persist for a meaningful duration before reversing. An established trend is more likely to continue than reverse sharply — this basic observation justifies all "trend following" strategies.
3. History repeats
Patterns of collective behavior — euphoria, fear, profit-taking, capitulation — repeat with surprising regularity. Chart patterns (head and shoulders, triangles, flags) are the visual reflection of these patterns. They don't repeat identically, but they're similar enough that you can exploit them statistically.
TA vs fundamental analysis
The two approaches don't contradict each other, they answer different questions:
| Approach | Question asked | Typical horizon | Data used |
|---|---|---|---|
| Fundamental analysis | "What is the intrinsic value of this asset?" | Long term (months, years) | Financial statements, revenues, tokenomics, ecosystem |
| Technical analysis | "What is the probable price behavior in the next few candles?" | Short and medium term (minutes to weeks) | Price, volume, derived indicators |
In crypto, fundamental analysis is difficult (no "financial statements" in the classical sense, narratives change fast) and technical analysis is particularly useful because the market is very sentiment-driven — exactly what TA knows how to read.
What TA can do
- Identify a trend: is this coin globally bullish, bearish, or sideways?
- Quantify momentum: is the move accelerating or running out of steam?
- Locate key levels: at what prices has the market historically reacted multiple times?
- Measure volatility: the average move magnitude lets you calibrate stops and targets.
- Detect divergences: when the indicator tells a different story than price, something deserves attention.
- Calibrate risk: specific technical levels give logical exit points.
What TA can't do
- Predict the future with certainty. Nobody can. A bullish configuration is just a higher probability that price goes up, never a guarantee.
- Anticipate external events. An Elon tweet, a Fed announcement, a hack — TA sees nothing coming. Always keep an eye on the macro calendar and news.
- Work without discipline. Even the best technical strategy loses money if applied without rigor (stops respected, consistent sizing, no revenge trading).
- Replace your judgment. Tools are tools. You decide.
Why it works (partially)
If TA "worked all the time", everyone would be rich and the market would be perfect. TA works because:
- Human behaviors are repetitive (fear, greed, FOMO, capitulation);
- These behaviors leave traces in charts (volume, patterns, momentum);
- These traces are partially predictive — not 100%, but enough that a disciplined trader has a statistical edge.
"Partially predictive" is the important part. A good technical trader is one who wins more often than he loses over the long term, not one who perfectly anticipates every move. This distinction is crucial: it explains why two traders can use the same tools and get opposite results, simply because one respects his plan and the other doesn't.
TA and crypto: particularities
A few crypto-specific things to keep in mind:
- 24/7 market: no weekend closing, no opening gap (almost) — trends are more continuous, reversals more "visible".
- Extreme volatility: a 5% move in an hour is banal on an altcoin. Indicators and levels must be calibrated accordingly.
- Frequent manipulations: pump & dumps, stop hunts, wash trading. TA on $10k/day volume makes no sense — stick to liquid pairs.
- Bitcoin correlation: 80% of altcoin moves are explained by BTC. Always look at BTC before concluding anything about an alt.
How to learn TA effectively
Three practical tips:
- Start simple. Support, resistance, and moving averages will already take you far. You don't need 15 indicators to trade.
- Apply immediately. Reading 10 books without touching a chart is pointless. Open DYOR, look at a chart, try to read what it's saying, note your observations. You learn by doing.
- Measure. Keep a journal (DYOR has one built-in). Note each trade, each hypothesis, each result. After 3 months, you'll learn more from your own mistakes than from any book.
To go further
The next logical steps:
- Candlesticks: the basic unit of all chart reading.
- Timeframes: how to choose your reading horizon based on your style.
- Support and resistance: the levels that really matter, and how to draw them.
- Volume: the fuel that validates — or invalidates — a price move.