Once you have seen a candlestick chart, the plain line chart starts to feel like it is hiding something — and it is. A line only shows closing prices. A candlestick shows four prices in every single shape, plus a visual sense of who won the battle between buyers and sellers. They look intimidating at first and become second nature surprisingly fast.
Four prices in one shape
Each candle represents one period of time — one hour, one day, one week, whatever timeframe you have chosen. And each candle encodes four numbers, known as OHLC:
- Open: the price at the start of the period.
- High: the highest price reached.
- Low: the lowest price reached.
- Close: the price at the end of the period.
Compare that to a line chart, which shows only the close. The extra three data points are where candlesticks earn their keep.
Anatomy: body and wicks
A candle has two parts.
The body is the thick rectangle. It spans the distance between the open and the close. A tall body means price moved a long way from start to finish; a short body means it ended near where it began.
The wicks (also called shadows) are the thin lines poking out of the top and bottom. They mark the high and low — the extremes price touched during the period before retreating. Long wicks are storytelling gold: they show that price *tried* to go somewhere and got pushed back.
Colour tells you direction
Colour encodes whether buyers or sellers won the period.
- A bullish candle (commonly green) closes higher than it opened. Buyers were in control. The close is the top of the body.
- A bearish candle (commonly red) closes lower than it opened. Sellers were in control. The close is the bottom of the body.
So at a glance you can see not just where price ended, but the tug-of-war that got it there. A wall of green candles with small wicks is a confident uptrend; a cluster of red candles with long upper wicks suggests buyers keep trying and failing.
Why traders love them
The power of candlesticks is that they show pressure, not just position. Consider two days that both closed at the same price. On a line chart they look identical. But one might have been a calm drift, while the other spiked violently up, got rejected, and slammed back down — leaving a long upper wick. That rejection is a meaningful signal, and only a candlestick reveals it.
This is why candlesticks are the default view for most traders and the foundation of technical pattern reading.
A few classic single candles
You do not need to memorize hundreds of patterns, but a handful of shapes come up constantly:
- Doji: open and close are almost equal, so the body is a thin line. It signals indecision — a standoff between buyers and sellers, often appearing before a change in direction.
- Hammer: a small body near the top with a long lower wick. Sellers drove price down hard, then buyers dragged it back up. At the bottom of a downtrend, it hints at a possible reversal.
- Shooting star: the mirror image — small body near the bottom, long upper wick. Buyers pushed up and got rejected, a warning sign after a run-up.
- Marubozu: a long body with virtually no wicks, showing one side dominated the entire period.
Treat these as hints, not guarantees. A single candle is a sentence, not the whole story.
Multi-candle patterns
Patterns get more reliable when several candles combine. Engulfing patterns, where one candle's body completely swallows the previous one, suggest a decisive shift in control. Doji appearing after a long trend can flag exhaustion. The key discipline is context: the same candle means different things at the top of a rally versus the bottom of a sell-off.
How to actually use them
Candlesticks are most useful layered onto the fundamentals from how to read a price chart. Identify the trend and the key support and resistance levels first, then watch how candles behave *at those levels*. A hammer forming right on a well-tested support line is far more interesting than one floating in the middle of nowhere.
Open a live candlestick chart — Bitcoin, Ethereum, or Gold all work — set it to a daily timeframe, and just watch the shapes for a while. Notice the long wicks, the confident bodies, the moments of indecision. Reading candlesticks is a skill built by looking, and once it clicks you will never go back to a plain line.