A stock price is currently S = 100. Over the next year, it is expected to go up by 100% (u = 2) or down by 50% (d = 0.50). The risk-free interest rate is r = 20% per annum with continuous compounding. What is the value of a 12-month European Put option with a strike price K = 100?
Select one:
a.
€22.50
b.
€26.25
c.
€21.25
d.
€25.00
e.
€23.75