In: Finance
The price of a three-month future contract on the S&P 500 index is traded at 2355. Use a 9 step binomial tree model to value an American put on the future contract assuming K=2400, r=1%, s=15%. The price of the American put option is ___________.
The price of the American put option using 9 step binomial tree model is $92.0724
T=0.25 years
=15%=0.15
Rf = 1% = 0.01
= $2355
Size of one up move = (0.25/9)= 0.0277 years
Upmove factor U = = e^(0.15*(0.0277)^0.5) = 1.0252
Downmove factor = = 0.9754