Giả sử bạn đã bán khống 500 cổ phiếu phổ thông với giá \$18 mỗi cổ phiếu. Mức ký quỹ ban đầu là 50%. Nếu tại mức giá từ \$21 mỗi cổ phiếu thì bạn sẽ nhận được thông báo nộp tiền ký quỹ . Khi đó, mức ký quỹ duy trì là bao nhiêu?

all financial assets

all real assets

all financial and real assets

all physical assets

all commodities

Investment assets

Depository assets

Derivative assets

Financial assets

Exchange-driven assets

Sarbanes-Oxley

Glass-Steagall

SEC

Sarbanes-Oxley and SEC

Fair Credit

Credit default swaps

CMOs

ETFs

Collateralized debt obligations

Collars

-$600

-$12.00

$600

$67.50

$12.00

geometric return

effective annual rate

arithmetic average

average annual return

historical annual average

II only

III only

I and II only

I only

I, II, and III

45%

5%

50%

32%

40%

for the same return, David tolerates higher risk than Elias

for the same risk, Elias requires a lower rate of return than David

cannot be determined

for the same return, Elias tolerates higher risk than David

for the same risk, David requires a higher rate of return than Elias

A portfolio that pays 10 percent with 40 percent probability or 5 percent with a 60 percent probability

A portfolio that pays 12 percent with 20 percent probability or 2 percent with 80 percent probability

A portfolio that pays 10 percent with a 60 percent probability or 5 percent with 40 percent probability

A portfolio that pays 12 percent with 60 percent probability or 5 percent with 40 percent probability

A portfolio that pays 12 percent with 40 percent probability or 5 percent with 60 percent probability