trading-algorithms

Expected Behavior

The description of the EMA indicator mentions that the only way to warm up an EMA is

Is your feature request related to a problem? Please describe.
Ugly title for asset new asset. The asset node gets New Asset title after entering the codename.

Describe the solution you'd like
auto rename by referring the codeName --> iconName
set iconName as variable.

Describe alternatives you've considered

Additional context
Add any other context or screenshots

When I ran Center of Gravity: cg over 3 months of Bitcoin prices ("20200801" to "20201101"), I got

this is how Buy & Hold Return is calculated:

        c = data.Close.values
        s.loc['Buy & Hold Return [%]'] = (c[-1] - c[0]) / c[0] * 100  # long-only return

so it's calced use day one and the day last.

Expected Behavior

Buy & Hold Return is used for compare with strategy gain. Therefore, I guess they should started at same time, since the strategy get enough data to w