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Cost of carry

 
Investment Dictionary: Cost Of Carry

Costs incurred as a result of an investment position. These costs can include financial costs, such as the interest costs on bonds, interest expenses on margin accounts and interest on loans used to purchase a security, and economic costs, such as the opportunity costs associated with taking the initial position.

Investopedia Says:
Cost to carry may not be an extremely high financial cost if it is effectively managed. For example, the longer a position is made on the margin, the more interest payments will need to be made on the account. Consideration must be given to all of the potential costs associated with taking a position.

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Business Dictionary: Cost of Carry
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Out-of-pocket costs incurred while an investor has an investment position, such as interest on long positions in margin accounts, dividends lost on short margin positions, and incidental expenses. See also Carrying Charge.

Wikipedia: Cost of carry
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The cost of carry is the cost of "carrying" or holding a position. If long, the cost of carry is the cost of interest paid on a margin account. Conversely, if short, the cost of carry is the cost of paying dividends, or opportunity cost the cost of purchasing a particular security rather than an alternative. For most investments, the cost of carry generally refers to the risk-free interest rate that could be earned by investing currency in a theoretically safe investment vehicle such as a money market account minus any future cash-flows that are expected from holding an equivalent instrument with the same risk (generally expressed in percentage terms and called the convenience yield). Storage costs (generally expressed as a percentage of the spot price) should be added to the cost of carry for physical commodities such as corn, wheat, or gold.

The cost of carry model expresses the forward price (or, as an approximation, the futures price) as a function of the spot price and the cost of carry.

F = (S+s) e^{(r-c)t}\,

where F is the forward price, S is the spot price, e is the base of the natural logarithms, r is the risk-free interest rate, s is the storage cost, c is the convenience yield, and t is the time to delivery of the forward contract (expressed as a fraction of 1 year).

The same model in currency markets is known as interest rate parity.

For example, a US investor buying a Standard and Poor's 500 e-mini futures contract on the Chicago Mercantile Exchange could expect the cost of carry to be the prevailing risk-free interest rate (around 5% as of November, 2007) minus the expected dividends that one could earn from buying each of the stocks in the S&P 500 and receiving any dividends that they might pay, since the e-mini futures contract is a proxy for the underlying stocks in the S&P 500. Since the contract is a futures contract and settles at some forward date, the actual values of the dividends may not yet be known so the cost of carry must be estimated.

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Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Cost of carry" Read more