Shadow and Tail The shadow is the portion of the trading range outside of the body. We often refer to a candlestick as having a tall shadow or a long tail. static.incrediblecharts.com/images/png_images/candle_shadow_tail.png A tall shadow indicates resistance; A long tail signals support. images.investorshub.advfn.com/images/uploads/2013/2/23/ftsxoNITE_School.png