Here is a technical chart of EURUSD currency pair on Doda-Donchain and Doda-Bollinger Bands indicator.
On 21-Oct-2011, Doda-Donchian gave buy signal with Doda-Bollinger Bands @1.38087 and till now, it resulted on a profit of more than 100 pips. But one thing is here on which I'm not comfortable - the flat line of Doda-Donchain. That means, price may come to this level and kiss it. The level is at 1.38073. So, watch this level carefully for immediate support for it.