A European Call and a European Put on a Stock

question 2

Multiple Choice

A European call and a European put on a stock have the same strike price and time to maturity. At 10:00am on a certain day, the price of the call is $3 and the price of the put is $4. At 10:01am news reaches the market that has no effect on the stock price or interest rates, but increases volatilities. As a result the price of the call changes to $4.50. Which of the following is correct?

• A) The put price increases to $6.00
• B) The put price decreases to $2.00
• C) The put price increases to $5.50
• D) It is possible that there is no effect on the price

---

Definitions:

Tariff

A tax imposed on imported goods and services to regulate trade by making imports more expensive than local products.

Total Revenue

The total amount of money received by a company from sales of goods or services, before any expenses are subtracted.

Infant Industry

An industry in its early stages of development, which may be protected by the government from international competition temporarily until it becomes competitive.

Protective Tariffs

Import taxes imposed by a country on foreign goods to protect domestic industries from competition by making imported goods more expensive.