HurstExponent.cs has off by one error when creating the list of time lags.

[treker7]

Lean/Indicators/HurstExponent.cs

Line 66 in 81b2d45

for (var i = 2; i < maxLag; i++)

Two issues.

1. The maxLag argument should be required to be at least 3. Since linear regression with only a single data point is meaningless.
2. There is an off-by-one error in the code. The for loop condition should be ->

i <= maxLag