FX Futures vs Spot FX

Course 15 of 60 in the futures hub. This one sets the listed euro contract beside the spot pair most people trade first, and shows where the two part ways.

Two ways to hold the same euro

If you trade EUR/USD through a forex dealer and then pull up the 6E contract on CME, you're looking at the same exchange rate sold through two very different shops. The prices move together most of the time. The plumbing underneath doesn't, and the plumbing decides your margin, your hours, your fills and who owes you money if something breaks.

The mistake that costs people most is holding spot euros at a dealer, selling a 6E future against it, and calling the whole thing flat. It's flat on the exchange rate, roughly. It isn't flat on contract size, on expiry, or on the small gap between the two prices, and we'll get to each of those. The spot side gets its own treatment in the forex course. Here we'll stick with the listed contract.

1. What an FX future is

An FX future is a standardized contract traded on an exchange. CME's Euro FX future, ticker 6E, covers €125,000. It's quoted in dollars per euro, it moves in steps of 0.00005 (half a pip), and each step is worth $6.25 per contract. The micro version, M6E, covers €12,500 at $1.25 a tick. The contracts expire quarterly and clear through the exchange's clearing house, so on paper your counterparty is the clearing house rather than your broker.

Spot forex at a retail dealer is a different animal. You choose your own size in units or lots, nothing expires, and the dealer is usually the other side of your trade. U.S. rules set minimum deposits of 2% on major pairs and 5% on the rest, which works out to 50:1 and 20:1 at most. Futures margin comes from the exchange and your futures broker instead, and it goes up when markets get wild. Before you compare the two, run both through the margin calculator so you can see how much cash each one really ties up.

2. Hours, ticks and pips

Euro futures trade on CME Globex from Sunday at 5:00 p.m. to Friday at 4:00 p.m. Central time, with a daily break from 4:00 to 5:00 p.m. Central. Friday's 4:00 p.m. close stays shut until Sunday at 5:00 p.m. A spot dealer sets its own hours and its own Sunday open, and those vary from firm to firm. The units differ as well. Here's one 20-pip move measured both ways:

6E: €125,000 × 0.0020 = $250 per contract (40 ticks of $6.25). Spot: 10,000 euros × 0.0020 = $20. Same 20-pip move, very different dollars.

Neither number is wrong. They're different sizes, and people get burned when they think about "the euro" instead of contracts or units. One 6E carries about the same exposure as twelve and a half 10,000-unit mini lots. A 40-pip stop on one contract is $500 before fees. If that's more than you can lose on a single trade, trade the micro or leave it alone. Put your own stop and size into the risk calculator rather than doing it in your head.

3. Rolling the future, rolling spot

A future expires, so staying in the trade means rolling it: close the expiring month and open the next one. The euro contracts run on a quarterly cycle, and most of the trading moves to the next month ahead of expiry. Look up the last trading day for the month you hold on CME's calendar. That date matters more than any chart pattern near it.

Spot never expires, but holding it isn't free either. Every night the dealer rolls your position forward and charges or pays swap. Many platforms put the weekend on Wednesday's line, three days at once, instead of a charge each night. Both instruments carry a cost of holding. In the future it's built into the price. In spot it turns up as a daily line on your statement. The free calculators page has what you need to put both in dollars.

4. Basis between future and spot

A euro future and spot EUR/USD won't print the same number. The difference is called basis, and most of it comes from the gap between euro and dollar interest rates over the time left to expiry.

Here's where the "I hedged it, I'm flat" trader gets surprised. Long spot euros and short a 6E against them, you're mostly covered on the exchange rate, but now you're carrying the basis, and the basis moves. You'll rarely match sizes exactly either, since the future only comes in €125,000 or €12,500 pieces. Write down the leftover exposure in euros and in dollars, and decide ahead of time where you'd close both legs.

5. When the future makes sense

I'd reach for the listed contract when I care about a public price, central clearing and margin set by an exchange, or when the currency trade sits next to other futures in the same account. Hedging a known euro amount for a set date fits well too, since the expiry gives you a built-in end point.

Spot makes more sense for small or odd sizes, when you don't want to manage an expiry, or for a pair with no liquid future. Check the dealer before you trust it with money; in the U.S. that means the NFA's BASIC lookup. Whichever you pick, keep the two in separate columns of your journal. If the jump from the agriculture lesson to currencies feels abrupt, it is. Currencies answer to central banks and interest rates, and the weather has nothing to say about them.

6. Where people get hurt

The big one is the false hedge from section 4: spot on one side, the wrong month or the wrong size of future on the other, and a belief that nothing can move. Close behind it is treating a 20-pip move on 6E like 20 pips on a mini lot, which understates the dollars more than twelve times over. Then come the costs people forget: exchange and clearing fees on the future, spread and swap on spot.

Specs change, and so do dealer leverage and swap policies. Before you size anything, read the current contract specs on CME and your dealer's current terms. The next lesson covers calendar spreads, where the roll from section 3 becomes a trade of its own.

Netting the two in your head

Some traders end up holding both: spot at a forex dealer and futures at a futures broker. That's two accounts, two margin systems and two statements. Neither firm can see the other position, so neither one will warn you that you've doubled up.

Add it up yourself, in euros. Long 25,000 in spot plus one long 6E is €150,000 of euro exposure, and a 1-cent drop in EUR/USD costs about $1,500 across the two. Short one 6E against 100,000 long in spot leaves you net short €25,000. That's a position too, even if you thought of it as a hedge.

What to hold onto

• One 6E is €125,000 and a tick is $6.25. Spot is whatever size you type in.
• Futures expire and need rolling; spot charges or pays swap every night.
• Basis is the gap between future and spot, and most of it is the interest-rate difference.
• Spot plus a future is two positions until you net them in euros.

Know how many euros you're long or short across every account, in one number, before the next trade. Educational only. Not a recommendation to buy, sell, or hold any contract or pair.