GLOSSARY OF FINANCIAL DERIVATIVES TERMS

   

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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ASSET SWAP

A package of a cash credit instrument and a corresponding swap that transforms the cash flows of the non-par instrument (bond or loan), into a par (floating interest rate) structure. Asset swaps typically transform fixed-rate bonds into par floaters, bearing a net coupon of Libor plus a spread, although cross-currency asset swaps, transforming cashflows from one currency to another are also common.

BASIS SWAP

An interest rate basis swap or a cross-currency basis swap is one in which two streams of floating rate payments are exchanged. Examples of interest rate basis swaps include swapping $Libor payments for floating commercial paper, Prime, Treasury bills, or Constant Maturity Treasury rates; this is also known as a floating-floating swap. A typical cross-currency basis swap exchanges a set of Libor payments in one currency for a set of Libor payments in another currency.

CORRELATION

Correlation is a measure of the degree to which changes in two variables are related. It is normally expressed as a coefficient between plus one, which means variables are perfectly correlated (in that they move in the same direction to the same degree) and minus one, which means they are perfectly negatively correlated (in that they move in opposite directions to the same degree). In financial markets correlation is important in three areas:
1. The model used for global asset allocation decisions, Sharpe’s capital asset pricing model (CAPM), has, as its linchpin, a covariance matrix that measures correlations between markets.
2. Correlation is also central to the pricing of some options, where two-factor or multi-factor models are used. For spread options, yield curve options and cross-currency caps, estimating the correlation between the underlying assets is of primary importance, the degree of correlation between them having a direct influence on the option price. For quantos such as guaranteed exchange rate options, or differential swaps, the correlation effect is the extent to which there is a relationship between movements in the underlying and movements in the ex-change rate, which has a secondary effect on the price of the option.
3. Correlation between markets is also used to offset an option position in one market against another with similar direction and volatility. Such a strategy might be used to reduce cost – to avoid hedging the positions separately, or because implied volatility in the second market is lower – or because hedging is difficult in the first market. Correlation can be estimated historically (like volatility) but tends to be unstable, and historic estimations may be poor predictors of future realized correlations.

CROSS-CURRENCY CAP

A cap in which the vendor will pay the purchaser the spread between interest rates (usually Libor-based) in different currencies minus a strike spread, where this exceeds zero, in return for a premium. It has the same relationship to a differential swap as a cap has to an interest rate swap.

CROSS-CURRENCY SWAP

A cross-currency swap involves the exchange of cashflows in one currency for those in another. Unlike single-currency swaps, cross-currency swaps often require an exchange of principal. Typically the notional principal is exchanged at inception at the prevailing spot rate. Interest rate payments are then passed back on a fixed, floating or zero basis. The principal is then re-exchanged at maturity at the initial spot rate.

EQUITY KNOCKOUT SWAP

An interest rate or cross-currency swap that gets terminated (knocked-out) if a given stock or equity-index reaches a specified trigger level between inception and expiry. The knockout can be un-conditional once the pre-determined equity level is reached, or the client can be given the choice to cancel the swap should the trigger level be reached.

SPREAD OPTION

The underlying for a spread option is the price differential between two assets (a difference option) or the same asset at different times or places.

  An example of a financial difference option is the credit spread option, the underlying for which is the spread between two debt issues which derives from the relative credit rating of the issuers. Another is the cross-currency cap, where the underlying is the spread between interest rates in two different currencies. A calendar spread, a pair of options with the same strike price but different maturities, pays out the price difference for a single asset on two different dates. Spread options, including calendar spreads, are particularly popular in the commodity markets. Variations include:
    •     Location spreads, based on the price of the same commodity at two different locations. These can be used to hedge the basis risk incurred when taking delivery of a commodity at one location but required at another.
    •     Processing spreads, known as crack spreads in the crude oil market and frac spreads in the natural gas market. These are based on the price differential between a feedstock (e.g., crude oil or natural gas) and the products that can be obtained by refining or fractionating it (e.g., heating oil or propane).
    •     Quality spreads, based on the differential between different grades of the same commodity, such as “sweet” and “sour” crudes or heating oils of varying sulfur content.




The majority of the glossary and definitions of terms are provided by Risk Magazine. © Incisive Media Ltd. 2008. Click here to download "Risk Magazine Guide to Risk Management glossary of terms 2001" in its entirety as a PDF.