Net return on share bought on margin?

Hello, I’ve been trying to work out the answer to this question (Schweser 2014 Morning Mock exam) but have had no luck.

Q95) An investor bought a stock on margin one year ago when its price was $50. The margin requirement was 60%. The current price of the stock is $75. The interest rate on thr margin loan was 10%. Ignoring transaction costs, the investor’s net return on this transaction is closest to:

A) 76.67%

B) 83.33%

C) 115.00%

Answer: A.

My calc: 75-3/30 = 140% (completely wrong!)

Hello,

Given Initial Margin =60%, we know that the remaining 40% of the investment is made on margin.

Initial invest P0 = 50, which is funded accordingly by:

  • Equity (your own money i.e. cash)= 0.6 X 50 = $30
  • Debt (margin loan from broker)= 0.4 X 50 = $20

1 year later, P1= 75

At the same time, the margin loan grow interest: 10% of margin loan= 0.1 X $20= $2 ( outflow)

Investor’s stock holding appreciated from $70 to $75

Total return on investment = Stock price Appreciation - Interest Paid / ( Equity Investment i.e. cash invested)

= 75 - 50 - 2/ (30)

=23/30 (= 76.67%)

Hope the above helps.

Ernest

Lol. They are completerly un-wrong. If the initial margin was 60% and the security cost $50 initially, that means, $30 was equity, then $20 was borrowed, interest rate of 10% that is $2. The asset was sold for $75, thus, [75-20(loan)-2(loan interest)] ÷ 30 = 1.7667. -1, equals 76.67%

Guys, that’s fantastic! thanks for clearing that up for me :slight_smile: