protected override Trend?ComputeByIndexImpl(int index) => index >= 1 ? StateHelper.IsTrending(_smaOsc[index], _smaOsc[index - 1]) : null;
protected override Trend?ComputeByIndexImpl(IEnumerable <decimal> mappedInputs, int index) => StateHelper.IsTrending(_ema[index]);
protected override Trend?ComputeByIndexImpl(IEnumerable <decimal> mappedInputs, int index) => index >= 1 ? StateHelper.IsTrending(_smaOsc[index], _smaOsc[index - 1]) : null;
protected override Trend?ComputeByIndexImpl(IEnumerable <decimal> mappedInputs, int index) => index >= 1 ? StateHelper.IsTrending(_macd[index].MacdHistogram, _macd[index - 1].MacdHistogram) : null;
protected override Trend?ComputeByIndexImpl(int index) => index >= 1 ? StateHelper.IsTrending(_macd[index].MacdHistogram, _macd[index - 1].MacdHistogram) : null;
protected override Trend?ComputeByIndexImpl(int index) => StateHelper.IsTrending(_ema[index]);
protected override Trend?ComputeByIndexImpl(int index) => StateHelper.IsTrending(_closePriceChange[index]);