Which of the following are NOT true
A. Risk-neutral valuation and no-arbitrage arguments give the same option prices
B. Risk-neutral valuation involves assuming that the expected return is the risk-free rate
and then discounting expected payoffs at the risk-free rate
C. A hedge set up to value an option does not need to be changed
D. All of the above
Which of the following is true about daily exchange rate moves?
A. Four standard deviation daily moves in an exchange rate happen less frequently than
they would do if changes were normally distributed
B. Four standard deviation daily movements in an exchange rate happen more
frequently than three standard deviation moves in the exchange rate
C. The frequency of six standard deviation daily movements in an exchange rate is
about once every 100 years
D. None of the above