uppose the economy has the two risky assets
            
              
            
            
               
            
              
            
            
               given by the
               SDEs
            
              
            
            
              
            
            
               and the MMA
               
            
              
            
            .
               The
               
            
              
            
            
               are standard Brownian motions. Similarly to the previous section we again
               assume that
               
            
              
            
            
               is deterministic and
               
            
              
            
            
               
            
              
            
            .
               Therefore, the price of the derivative
               
            
              
            
            
               with the payoff
               
            
              
            
            
               at
               
            
              
            
            
               has the functional form
               
            
              
            
            .
               We construct the portfolio
               
            
              
            
            
              
            
            
               and compute the
               increment
            
              
            
            
              
            
            
              
            
            
              
            
            
               Similarly to the previous section, set
               
            
              
            
            
               then
            
              
            
            
              
            
            
               or
            
              
            
            
               We introduce the function
               
            
              
            
            :
            
              
            
            
               then
            
              
            
            
              
            
            
               We compare the last result with the proposition
               (
            
              Multidimensional
                backward Kolmogorov equation
            
            ) and
               conclude
            
              
            
            
              
            
            
              
            
            
            
           
           
           
           
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