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The three main chart types are line, bar, and candlestick charts. A line chart connects closing prices into a single smooth line for a clean overview. A bar chart (OHLC) shows the open, high, low, and close for each period. A candlestick chart displays the same four data points in a visual, colour-coded body that makes price action easy to read at a glance.

A line chart plots only closing prices, so it is simple but shows the least detail. A bar chart adds the open, high, and low, giving fuller information through small vertical bars with ticks. A candlestick chart shows the identical open, high, low, and close but in a coloured body and wick format that highlights momentum and reversals more intuitively, which is why it is the most popular choice.

Many beginners start with line charts to grasp overall trend direction without distraction, then move to candlestick charts as they progress. Candlesticks are widely favoured because their colour-coded bodies make it easy to see whether buyers or sellers dominated each period and to spot patterns. There is no single best chart; the right one depends on your strategy and how much detail you want on screen.

Each candlestick represents one time period. The body spans the open and close: if price closed higher than it opened the candle is typically green or hollow, and if it closed lower it is red or filled. The thin wicks above and below show the highest and lowest prices reached. Reading a sequence of candles reveals momentum, indecision, and potential reversal points.

OHLC stands for Open, High, Low, Close, the four prices a bar chart displays for each period. The vertical bar’s top and bottom mark the high and low, a small tick on the left shows the opening price, and a tick on the right shows the close. Bar charts pack detailed information into a compact form and are preferred by some traders who find candlesticks visually heavy.

Candlesticks are popular because they present open, high, low, and close data in a clear, visual way that makes market sentiment easy to interpret. The size and colour of the bodies quickly show who is in control, and recognisable formations such as dojis, hammers, and engulfing patterns can signal potential reversals or continuations. This blend of detail and readability makes them the default choice for most traders.