Madrid Donchian Channel

This study is based on the Donchian Channel. The idea is to show where the price is located referred to its recent highest and lowest values.
Donchian channel only displays one channel with two bands. This variation displays four bands. When the price is in the uppermost band it is bullish, when the price is in the lowest band it is bearish.
When the price is on either of these two extreme bands it is in a trending market. When it is bouncing around the midchannel line it is a trading market.
The channel lines change color according to the direction of the price.