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HMRC internal manual

Corporate Finance Manual

From
HM Revenue & Customs
Updated
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Understanding corporate finance: derivative contracts: exchange-traded contracts

Exchange-traded contracts

An exchange-traded contract is bought or sold directly on a regulated exchange such as LIFFE (the London International Financial Futures and Options Exchange) or the CBOT (Chicago Board of Trade).

To make this possible, an exchange-traded product has a standard contract specification, which sets out

  • exactly what the underlying asset consists of,
  • where and how it is to be delivered (if it is deliverable),
  • how much money the holder will gain or lose as the price of the underlying changes, and
  • what each party is obliged to do when the contract matures.

Typical exchange-traded instruments include interest rate futures, currency futures and options, and Brent Crude oil futures.

In the past, most exchanges traded through open outcry, where each trader signified by shouting and hand signals what trade he was trying to execute. Almost all exchanges have now moved to electronic trading. The open outcry system brought buyers and sellers directly together. By contrast electronic trading is anonymous. An order input into the system is kept in a central order book until a matching order is received.

Once a match has been achieved, a clearing house interposes itself in the chain of transactions between buyer and seller. For example, all LIFFE’s contracts are cleared through the London Clearing House. Both buyer and seller execute contracts with the clearing house, not with each other, and neither party has to worry about the credit rating of the counterparty.

The clearing house itself takes on the credit risk of two counterparties. In order that it may do so, each party is required to put up a collateral deposit with the clearing house, known as margin (CFM13070).