Introducing the financial markets
Trading commodities
Where are commodities traded?
Commodities are bought and sold on exchanges around the world, each specialising in particular types of commodities.

ICE Futures Europe
A major European derivatives exchange trading soft commodities and financial products.
Speciality: Cocoa, wheat, coffee, sugar, corn

ICE Futures US
A leading global soft commodities futures and options exchange.
Speciality: Sugar, cotton, cocoa, coffee, orange juice
New York Mercantile Exchange (NYMEX)
Part of CME Group and the world's largest physical commodity futures exchange.
Speciality: Energy and metals – crude oil, natural gas, heating oil, RBOB unleaded gas, gold, silver, copper, platinum, palladium
London Metal Exchange (LME)
The world's leading non-ferrous metals market.
Speciality: Metals that do not contain iron – aluminium, copper, tin, nickel, zinc, lead, aluminium alloy, cobalt

Chicago Board of Trade (CBOT)
Part of CME Group and the world's oldest futures and options exchange.
Speciality: Grains – corn, soybeans, soybean oil, soybean meal, wheat, oats, rough rice
In the UAE, commodities are primarily traded via international markets, but Dubai is also home to the Dubai Gold and Commodities Exchange (DGCX), which lists gold, currency and energy futures.
Contract size
Commodity futures are traded in contracts. Each commodity market has a standard size, set by the futures exchange where it trades. As commodities are often bought and sold in large amounts, the contract size also tends to be large.
Let's take gold as an example. The contract size for gold futures is 100 troy ounces. So if gold is trading at $1100 per troy ounce and you buy just one contract of it, your contract would be worth $110,000 (1100 x 100 ounces).
Small investors generally don't have access to such large amounts of money, so just like when trading forex, you can often trade commodity futures on leverage. Many exchanges and brokers also offer 'mini' contracts, which tend to be between 10% and 50% of the size of a standard contract.
It's very important to note that both standard and mini contract sizes vary widely depending on the type of commodity – so it's vital to check the contract size carefully before placing a trade.
Question
The contract size for silver is 5000 troy ounces. If you bought 10 silver contracts at $17.05 per troy ounce, and the silver price then rose to $17.15, how much profit would you have made in dollars?Correct
Incorrect
Your profit would be ($17.15 – $17.05) x 10 contracts x 5000 ounces
= 0.1 x 10 x 5000
= $5000
What drives commodity prices?
As with all markets, commodity prices are mainly driven by supply and demand.
If, for example, there's a good cotton crop which boosts the amount in circulation – the price of cotton will decrease (assuming that demand remains the same). On the other hand, if clothes manufacturers and other companies using cotton need more of the commodity, but producers don't have the capacity to match this demand, the price will increase.
Other factors that drive commodity prices include:
The weather
Agricultural commodities are particularly dependent on the weather as it influences the harvest. A poor harvest will result in low supply, causing prices to rise.
Economic and political factors
Events such as war or political unrest can have a big effect on prices. For example, turbulence in the Middle East can cause oil prices to fluctuate, given the region's role in global energy production.
The US dollar
Because commodities are usually priced in US dollars, their prices tend to move inversely to the dollar's value. If the price of the dollar falls, it takes more dollars to buy the same amount of commodities - so the price of commodities rises. Conversely, if the dollar goes up then it's cheaper to buy commodities, all things being equal.
Understanding supply and demand is one thing – seeing how quickly commodity markets react to real-world events is another. A demo account lets you track live price movements and test your knowledge using virtual funds, without risking real capital.
Lesson summary
- Commodities are traded on exchanges around the world, each specialising in different types of assets
- Contract sizes vary by commodity and are often large, but smaller investors can trade using leverage
- Leverage can amplify both potential gains and losses, so it’s important to understand the risks before trading
- Commodity prices are influenced by supply and demand, the weather, geopolitical events and the strength of the US dollar