pupβ=uβde(rUSDββrEURβ)ΓΞtβ=e0.250.25ββeβ0.250.25βe(0.02β0.005)β
0.25βeβ0.250.25ββ=0.4838
The figure below shows the stock price and the corresponding optionβs intrinsic value at each node.
| Index Price | e0.250.25β=0.3031 |
|---|
| Option Strike Price | 1.1 |
| Option Value | 0.2031 |
| Index Price | 1.15 |
|---|
| Option Strike Price | 1.1 |
| Option Value | ? |
β
| Index Price | eβ0.250.25β=0.0149 |
|---|
| Option Strike Price | 1.1 |
| Option Value | 0 |
Price at Node A = (0.2031Γ0.4838+0Γ(1β0.4838))eβ2.0%Γ123β=0.0978