N Std. Deviation

Measures the absolute variability of the returns of the performance field being measured, for N standard deviations (where N is based on your calculation setting for standard deviations). For example, 1 standard deviation represents roughly 68.2 percent of the normal distributed samples.

In theory the smaller the standard deviation number, the more trades will resemble the average winning (or losing) trade, and the more stable the strategy.

1 Standard Deviation =  68.26895% of the normal distributed samples.

2 Standard Deviation =  95.44997% of the normal distributed samples.

3 Standard Deviation =  99.73002% of the normal distributed samples.

4 Standard Deviation =  99.99366% of the normal distributed samples.