Treasury bonds

Put and Call options

Common stock

Convertible bonds

Preferred stock

It is the sales price.

It conforms to a credit rating of the bond.

It represents the interest rate of the bond.

The value of the bond at maturity.

32

20

10

16

160

80

60

120

Annual income x current price

Face value x interest rate

Annual income / current price

Interest rate / face value

It is premium bond

It is a discount bond

6%

12%

16%

Common and Director

Preferred and Shares

Common and Preferred

Board and Preferred

It's a debt  instrument, which holds a credit claim, and interest rate claim against the company.

It's an equity instrument, which has voting rights and represents a share of the company.

It's both. It's a debt  instrument, which holds a credit claim, and interest rate claim against the company. And at the same time it's an equity instrument, which has voting rights and represents a share of the company.

It's neither. It's a derivative instrument issued by the company as stock option. It allows to buy more stocks in future, and is often used as compensation for high level managers.