The doji is a type of candlestick and a warning sign of a pending reversal. The open and close are pretty much equal. The length of the upper and lower shadows can vary and the resulting candlestick looks like a cross, inverted cross or plus sign.
Divergence is a trading pattern in which the relationship between price action and an oscillator indicator is measured.
The disparity index can take either a positive or a negative value. A positive value indicates that the asset’s price is rapidly increasing, while a negative value indicates that the price is rapidly decreasing. A value of zero means that the asset’s current price is exactly consistent with its moving average.
The downside to the discretionary trading style is that trading decisions are more susceptible to the strong emotional effects of managing financial risk. Also, depending on the time frame, it requires more attention to the market than mechanical or automated trading methods.