Suppose you have $10,000 to invest and purchase 200 shares of IBM stocks at $100 per share by borrowing $10,000 from the broker.
• The interest rate on the margin loan is 9% per year.
• What would be the rate of return on your investment if IBM stock goes up by 30% by year's end?
The portfolio weights on IBM stock and the risk-free asset is:
wIBM= Total Investment in IBM / Own Contribution =?
wF= Amount Borrowed / Own Contribution =?
The return on this leveraged portfolio (buying on margin) is:
rP= wIBMrIBM + wFrF = ?
If the price of IBM stock goes down by 30%
rP= wIBMrIBM + wFrF= ?