Types of Rates Treasury rates(国债利率)—regarded as risk-free rates LIBOR rates (London Interbank Offer rate)(伦敦银行同业放款利率)-generally higher than Treasury zero rates Repo rates(回购利率)—slightly higher than the Treasury rates
A Simple Binomial Model of Stock Price Movements In a binomial model, the stock price at the BEGINNING of period can lead to only 2 stock prices at the END of that period
Three Alternative Strategies · Take position in: -the option and the underlying -2 or more options of the same type This is known as spread -a mixture of calls and puts This is known as a combination