A candlestick is a small chart symbol that shows how a currency pair's price moved during a set period of time, like one hour or one day. It shows four numbers at once: the opening price, the closing price, the highest price, and the lowest price. Traders use candlesticks because they pack a lot of price information into one simple shape, making it easy to spot whether buyers or sellers were in control.

How It Works

Every candlestick is built from four price points: open, high, low, and close. The "open" is the price when the time period started, and the "close" is the price when it ended. The "high" and "low" are the most extreme prices touched during that period. A candlestick has two main parts: the "body," which is the thick rectangle in the middle, and the "wicks" (also called shadows), which are the thin lines sticking out the top and bottom.

The body shows the range between the open and the close. If the close is higher than the open, the body is usually colored green or white, meaning price went up during that period - this is called a bullish candle. If the close is lower than the open, the body is usually colored red or black, meaning price went down - this is a bearish candle. The wicks show the extra highs and lows that price touched but didn't stay at.

Each candlestick represents one fixed chunk of time, called a timeframe. On a 1-hour chart, each candle shows one hour of trading. On a daily chart, each candle shows one full day. The shape of a candle only makes sense once you know its timeframe, because a small candle on a 1-minute chart might represent a tiny price move, while a small candle on a weekly chart could still represent a move worth hundreds of pips.

Body Size and Wick Length: What They Signal

A long body means price moved a lot from open to close, showing strong momentum in one direction - buyers or sellers were clearly winning. A short body means the open and close were close together, showing indecision or a pause in the trend. Long wicks matter too. A long upper wick means price shot up during the period but then got pushed back down before the close, suggesting sellers fought back. A long lower wick means price dropped sharply but buyers pushed it back up. A candle with almost no body and long wicks on both ends (called a "doji") shows a real tug-of-war where neither side won.

Using Candlesticks on a Real Chart

On their own, individual candlesticks give hints, but traders get more value by combining them with context. A bullish candle that forms right at a support level (a price floor where buying has shown up before) is a stronger signal than the same candle appearing randomly in the middle of nowhere. Traders also look at groups of candles, called patterns, like two or three candles together that suggest a reversal or continuation of a trend. Timeframe also changes how a candle should be read: a big bullish candle on a daily chart carries more weight than the same shape on a 1-minute chart, because it represents a much larger, more meaningful price move.

Common Misconceptions

"A green candle always means the price is going to keep rising." A green candle only tells you what already happened during that specific period - it does not predict the future. Price can close green on one candle and then reverse and fall on the very next one. Traders never rely on a single candle's color to make a decision; they look at the overall trend, support and resistance levels, and multiple candles together before deciding anything.

"Wicks don't matter, only the body counts." Wicks are just as important as the body, sometimes more so. A long wick shows that price tried to move strongly in one direction but got rejected, which can be an early warning sign of a reversal. Ignoring wicks means missing half the story a candlestick is trying to tell you about the fight between buyers and sellers during that period.

"Candlestick color is fixed - green always means up." Colors are just a charting preference, not a rule. Most trading platforms let you change candle colors to anything you want. Some traders use blue and orange instead of green and red. What matters is not the specific color, but whether the close was higher or lower than the open, which the platform's color key will always explain.

Quick Reference

  • A candlestick shows four prices: open, high, low, and close.
  • The body is the thick part; the wicks (shadows) are the thin lines above and below it.
  • A bullish candle closes higher than it opened; a bearish candle closes lower.
  • Long bodies show strong momentum; short bodies show indecision.
  • Long wicks show price rejection - a fight between buyers and sellers.
  • Candlestick meaning always depends on the timeframe and the surrounding chart context.

What is a doji candlestick?
What is support and resistance in forex?
What is a candlestick pattern?

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