Candlestick – A chart bar that shows price action for a single period (e.g. 1 minute, 1 day). Each candlestick displays the period’s Open, High, Low, and Close (OHLC) prices. The body of the candle is filled/colored differently (green/red or white/black) depending on whether the close was above or below the open. Candlestick charts are widely used in technical analysis to gauge market sentiment for that period. For example, a long green candle means price closed well above its open (strong buying), while a long red candle means closing below open (selling pressure).

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