
Account Value: Your portfolio's current value.
Calculated as: = cash + market value of stocks + market value of options - market value of shorted stocks

Buying Power: The total value of your cash and margin accounts that can be used to trade stocks. Negative buying power indicates that no further trading can be performed and that margin call will occur.
Calculated as: =cash + (Long Stocks x 50%) - (Shorted Stocks x 150%)

Cash: Total amount of cash available for trading stocks with. A negative cash value indicates that you are borrowing from your margin account.

Annual Return: Amount of returns generated if your current rate of returns were extrapolated for an entire year.
Calculated as: =
Where:
n = number of days since you opened your simulator account
# = number of days in a year