Sanku (Three Gaps) Pattern
  
The Sanku pattern, also known as the Three Gaps pattern, is a candlestick chart pattern used to find a trend reversal before it happens. Like most all technical candlestick chart tools, the Sanku pattern is best not used in isolation. Because predicting the future is hard, even with math on your side.
The Sanku pattern has three gaps. In a candlestick chart, a gap is an empty space between two candlesticks, which means there’s been no market action (trading) at that time. Gaps mean that all’s quiet on the western front.
The three gaps must all be independent, and within a clear, current trend...either going up, or going down. When the third gap shows up, the Sanku pattern says that trend is about to reverse. The bulls will turn into bears, or the bears will turn into bulls.