To provide forward markets in currencies and commodities
1. The currency market is used to trade one currency for another currency
2. Currencies can have speculative attacks taken on them, which can affect the value of the exchange rate
3. Commodity markets involve trading primary products like wheat, gold and oil
4. Future contracts are a method for investing in commodities, involving buying or selling an asset with an agreed price in the present, but a delivery and payment in the future
5. A forward market is an informal financial market where these contracts for future delivery are made