∆S
Change in spot price over the life of the hedge
∆F
Change in futures price over the life of the hedge ?????
σS
Standard deviation of S
σF
Standard deviation of F
ρ
Coefficient of correlation between ∆S and ∆F
h ∗
Hedge ratio that minimizes the variance of the hedger’s position
NA
Size of the position being hedged (units)
QF
Size of one futures contract (units)
N ∗
Optimal number of futures contracts for hedging