This is a bullish reversal candlestick pattern that is found in a downtrend and consists of two candles. First comes a long red candle, followed by a Doji candle (except 4-Price Doji) that opens below the body of the first one, creating a gap. It is considered a reversal signal with confirmation during the next trading day.
Traditionally, this candlestick pattern is recognized in conjunction with a specific trend direction, i.e. it might be important for the pattern if the price has been generally going up or down. The ‘Detect Trend Based On’ option allows you to specify which of the following methods to use to detect the trend:
By comparing two different SMAs, the 'SMA50, SMA200' option only detects stronger trends. When the trend is weak and the condition above is not met, no patterns will be detected. In contrast, the 'SMA50' option will also detect weaker trends.