The Three Inside Up pattern is an extended version of the Bullish Harami pattern.
In this pattern the first candle is red.
It is followed by a shorter green candle, and its body does not go beyond the body of the red candle.
The third candle is also green, and its closing price is higher than the previous green candle.
As a rule, the three Inside Up pattern confirms that the trend turned around, and the price began to rise after the fall.