SHARPE RATIO, named after William P. Sharpe, is a measurement of portfolio trading performance. It is calculated by subtracting risk free rate from total portfolio return, then dividing by the standard deviation of the portfolio:Sharpe ratio = Total portfolio return - Risk free rate / Portfolio standard deviation.
FREEHOLD is a. an interest in land the duration of which is restricted to the life or lives of a particular person or persons holding it, or b. an interest in property that is unconditional and represents the broadest ownership interest recognized by law.
FLAT LEASE is a lease where the cost is fixed for a specific period of time.
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