The indicator can be used like other overbought oversold indicators like MACD, RSI etc. The histogram above zero indicates an up trend, and values below zero indicates a down trend. The white dotted line is cosidered as a signal line. When histogram is below the signal line, histogram color is red. Histogram color is green when histogram is above the signal ine.
When the FNCD indicator is below zero, histogram turning red after green bars can be taken as sell signal. For a buy signal, histogram turn to green above zero.
Extrem reading in the histogram indicates over bought or oversold conditions. This can be used for counter trend trades.
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