Rate of Return Calculation
Rate of return is always calculated as max profit / max loss for all position types, where max loss is defined as the theoretical risk less any premium received.

% Premium Calculation
The formula for % premium increase/decreased is:

Where change percent is equal to the net change in position value divided by the openPrice of the position, defined as:

The definition for markClose calculations of individual position types can be found here.
Win Rate
The percentage of winning trades from a group of trades. Win Rate (win%) = number of wins divided by total number of trades.
Total P/L
The sum of open and closed P/L.
Total P/L %
The total P/L divided by the bot allocation.
Day P/L
The current intraday total P/L minus the previous day's closing total P/L or 0 if no previous day.
Day P/L %
The day P/L divided by the previous day's closing net liquid or bot allocation if no previous day.