Câu hỏi: Which of the following would represent the most appropriate definition for implied volatility?

A. It is the volatility of the underlying asset’s returns implied from the price of a traded option and an option pricing model

B. It is the volatility of the underlying asset’s returns implied from a statistical model such as GARCH

C. It is the volatility of an option price implied from a statistical model such as GARCH

D. It is the volatility of an option price implied from the underlying asset volatility

Câu 1: Hai biến Y và X có quan hệ hàm số nếu:

A. Với mỗi giá trị của Y có tương ứng ứng với một bảng phân phối các giá trị của X

B. Với mỗi giá trị của X có tương ứng với 1 giá trị của Y

C. Tất cả các phương án đều đúng

Câu 2: Problem identification research is undertaken to:

A. Help identify problems that are not apparent on the surface and yet exist or may exist in the future

B. Develop clear, concise marketing segments

C. Help solve specific research problems

D. Establish a procedure for development of a primary research plan

Câu 3: Executive summary should involve all of the following, except:

A. Why and how the research was carried out

B. What was done to manage fieldworkers

C. What was found

D. What can be interpreted and acted upon by the manager

Câu 4: Which among the following is not comparative scaling technique?

A. Rank order

B. Constant sum scale

C. Q-sort

D. Stapel scale

Câu 5: The process of marketing involves all of the following EXCEPT:

A. Product

B. Production

C. Pricing

D. Distribution

Câu 6: Suppose that a researcher wanted to obtain an estimate of realised (“actual”) volatility. Which one of the following is likely to be the most accurate measure of volatility of stock returns for a particular day?

A. The price range (high minus low) on that day

B. The squared return on that day

C. The sum of the squares of hourly returns on that day

D. The squared return on the previous day