Microsoft PowerPoint - PoF.ppt

(lu) #1
Risk-neutral probabilitiesÄ 210

We can rewrite (*) and (**) aswhere E’(.) denotes the expected value under p’ and q’.
Derivative securities: Options - Binomial asset pricing model


()


(


)


(


)


() ()


()


,


~ 1


1


~


~


&


~^1


1


~


~


1

1

1

0

1

1

1

0

r
V
E

r


T V q H V p V


r
S
E

r


T S q H S p S






=










=






=










=

Free download pdf