The Finance Professor

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The Finance Professor: Understanding Leverage

04/23/07 - 01:04 PM EDT

Scott Rothbort

I spent the better part of my career at Merrill Lynch MER as a vendor of leverage Leverage primarily to hedge funds Hedge-fund. You might recall one of them by the name of Long Term Capital Management. LTCM was a master of the use of leverage, which also led to its undoing.

So what is leverage? Leverage comes in many forms. If you've ever bought a house and took out a mortgage, then you've used leverage. In this installment of the Finance Professor, I will shed some light on leverage from the point of view of buying or gaining exposure to stocks or stock indices.

Buying stock with borrowed funds is achieved through the extension of credit from a broker-dealer  Broker-dealer or other financial institution Financial-institution. Such credit arrangements are regulated by the Federal Reserve Federal-Reserve-System through a series of regulations -- Regulation T, Regulation U and Regulation X. Of those rules, Regulation T contains the guidelines that govern the extension of credit by broker-dealers to customers, particularly individual investors who purchase and carry securities. To many people, Regulation T is simply referred to as the "Margin Rules."

The Margin Rules

There are many aspects to the margin rules that you must understand before buying securities on credit. I will discuss those rules in the context of stocks.

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At the time of publication, Rothbort was long MER and SDS, although positions can change at any time.

Scott Rothbort has over 20 years of experience in the financial services industry. In 2002, Rothbort founded LakeView Asset Management, LLC, a registered investment advisor based in Millburn, N.J., which offers customized individually managed separate accounts, including proprietary long/short strategies to its high net worth clientele.

Immediately prior to that, Rothbort worked at Merrill Lynch for 10 years, where he was instrumental in building the global equity derivative business and managed the global equity swap business from its inception. Rothbort previously held international assignments in Tokyo, Hong Kong and London while working for Morgan Stanley and County NatWest Securities.

Rothbort holds an MBA in finance and international business from the Stern School of Business of New York University and a BS in economics and accounting from the Wharton School of Business of the University of Pennsylvania. He is a Professor of Finance and the Chief Market Strategist for the Stillman School of Business of Seton Hall University.

For more information about Scott Rothbort and LakeView Asset Management, LLC, visit the company's Web site at www.lakeviewasset.com. Scott appreciates your feedback; click here to send him an email.


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