The sum of the initial ( I_0) and all future investment discounted for the present time:
| PV = \sum_{i=0}^t \frac{FV_i}{(1+rr)^i} = -I_0 + \frac{FV_1}{1+r_f} + \frac{FV_2}{(1+r_f)^2} + ... + \frac{FV_t}{(1+r_f)^t} |
See also
Economics / Investment / Financial Investment / Financial Investment Metrics