- Spot Forex: Direct trading of currency pairs through a broker
- Currency Futures: Standardized contracts traded on exchanges like CME
- Currency ETFs: Exchange-traded funds that track currency values
- Forex CFDs: Contracts for Difference that mirror currency movements
- Currency Options: Rights (not obligations) to exchange at preset rates
- Swaps and NDFs: Institutional tools for hedging and accessing restricted markets
- ADRs/Cross-Listed Stocks: Indirect currency exposure through equities
Each of these instruments offers a different set of trade-offs in terms of accessibility, leverage, transparency, costs, and complexity. Your choice should depend on your specific trading goals, account size, and the particular inefficiency you’re trying to exploit.
Spot Forex is Confusing
In this article, when I refer to “spot forex”, I’m referring to the trading of one currency for another.
It’s also common for retail brokers to refer to Contracts for Difference (CFDs) as “spot forex,” however, these products represent something else entirely.
When choosing a broker, make sure you know what they mean when they say “spot forex” – often, they’ll be referring to CFDs.
One major exception to this is Interactive Brokers, who offer two distinct FX products: deliverable spot and CFDs.
Any FX order routed through Interactive Brokers’ IDEALPRO (IDEAL for small orders) updates the actual currency balances in your account. In contrast, a CFD order results in holding a synthetic product tied to the exchange rate.
For the purposes of this article, when I refer to “spot forex”, I’m referring to actual currency trading hands. I’ll deal with CFDs separately.
Spot Forex vs. Currency Futures: Same Market, Different Rules
Let’s start by comparing the two most direct ways to trade currencies: spot forex and futures.
Spot forex means trading currency pairs for near-immediate delivery – essentially buying one currency by selling another at the current market price. It’s the most direct way to trade forex and operates 24 hours a day in a decentralized global market.
Currency futures, by contrast, are standardized contracts traded on exchanges (like CME) that lock in an exchange rate for a set amount of currency on a future date.
The underlying asset is the same (currency pairs), but there are critical differences that affect your trading:
Trading and Liquidity
The spot forex market is massive and decentralized, with daily global spot volume around $2 trillion. Liquidity is provided by banks and brokers worldwide, creating a nearly continuous market.
Currency futures are traded on centralized exchanges (CME, ICE, and others), with transparent prices and order flow. While major futures contracts like the euro or yen are highly liquid, volume concentrates in the nearest expiry contracts and major currency pairs.
For most retail traders, spot offers better liquidity during normal market hours. However, futures have the advantage of transparency via the order book, which is impossible or at least partially hidden in the OTC spot market.
Contract Size and Flexibility
This is where many beginners get tripped up. Spot forex allows you to trade in almost any amount – micro-lots of 1,000 units or less are common, making position sizing incredibly flexible.
Futures come in fixed contract sizes that historically were quite large. A standard CME euro futures contract represents €125,000, for instance.
For many retail traders, that’s excessive.
However, in recent years, micro contracts have become available, making futures more accessible to smaller accounts.
Even so, with spot forex you can fine-tune your position size more precisely than with futures, where you must trade in whole contracts.
Leverage and Margin
Both spot and futures use margin, but the margin requirements can differ substantially.
Margin requirements for futures usually equate to lower maximum leverage than spot. For example, a futures broker might require 5-10% of contract value as margin (10:1 or 20:1 leverage), whereas a forex broker might allow 2-5% margin (20:1 to 50:1).
There’s even more leverage available via CFD trading – more on that shortly.
This might seem like an advantage for spot trading, but it’s a double-edged sword that leads many retail traders to disaster. Higher leverage means you can control larger positions with less capital, but it also means you can blow up your account faster when trades go against you.
Your position sizing should be dictated by the amount of risk you want to take, not by the amount of leverage available to you. Remember: no edge can save you if your position sizing is reckless.
Costs and Pricing
In spot forex, retail brokers will usually charge commissions and mark up the interest you pay or receive.
For example, say you sell some Japanese yen and use it to buy US dollars using margin. You’ll pay out on the yen you borrowed at a higher rate than the yen benchmark rate, and you’ll receive less interest on your dollars than the USD benchmark rate.
Futures usually have small bid-ask spreads due to exchange order books, but you pay exchange fees and broker commissions on each trade. Depending on the broker, the all-in cost could be similar or slightly higher than an equivalent spot trade.
There’s also a difference in how interest rates affect pricing. Futures prices incorporate interest rate differentials through forward points – the price already factors in the relative interest rates of the two currencies until the contract’s delivery date.
Expiration and Continuity
Spot forex trades never expire – you can hold a position indefinitely.
Futures have set expiration dates. If you want to maintain a position, you must roll it to the next contract when expiry approaches. This is an extra step that spot traders don’t have to worry about.
For a systematic trader, this distinction matters if you’re running longer-term strategies. A short-term system that opens and closes positions within days won’t care much about expiration, but a trend-following system that might hold positions for weeks or months needs to account for futures rolls.
Access and Practicality
To trade spot forex, you need a specialized forex broker. Remember, some brokers call CFDs “spot forex”, so double-check the product being offered matches what you want.
Futures trading requires a futures brokerage account and approval for currency futures. It’s a bit more involved to set up if you’re coming from a stock-trading background, but many brokers (like Interactive Brokers, TD Ameritrade) offer futures alongside equities.
One practical consideration: futures trade on specific exchanges with set trading hours. While FX futures trade nearly 24/5, with small maintenance breaks, spot forex trades around the clock on a global network.
So, Which Should You Choose?
For most retail traders, especially beginners with smaller accounts, spot forex offers more flexibility, easier access, and simpler position sizing. However, futures provide transparency, potentially better pricing, and no counterparty risk with your broker since the exchange clearinghouse guarantees trades.
Currency ETFs: The Easy Button for FX Exposure (with disclaimers)
Currency ETFs are funds that trade like stocks and aim to track the value of a currency or basket of currencies. They give regular investors an easy way to get currency exposure without dealing with forex brokers or futures contracts.
For example, Invesco’s “CurrencyShares” series offers ETFs for major currencies: FXE tracks the euro, FXY the Japanese yen, FXB the British pound.
UUP (Invesco DB U.S. Dollar Index Bullish Fund) rises when the U.S. dollar strengthens against a basket of currencies, whereas UDN rises when the dollar weakens.