The Carry Trade: Getting Paid to Wait

Kanin D. Alldredge, JD, MSQE

Legal & Quantitative Analyst / Author / Educator, The Currency Classroom

Free

Have you ever had money sitting in a savings account, earning next to nothing, while you knew somewhere else it could have been earning more?

Hold onto that feeling. It is the whole idea behind the carry trade.

Here is the setup. Every currency has an interest rate attached to it, set by that country's central bank. Not a rate you negotiate. A rate that simply comes with the money, the way a language comes with a country.

So when you hold one currency against another, something quiet is happening underneath the price. You are effectively borrowing the cheap one and parking the money in the dearer one. And the difference between those two rates lands in your account, a little at a time, whether the price moves or not.

That difference has a name. It is called the carry.

That is it. That is the entire strategy. Borrow where money is cheap, hold where money pays, collect the gap. The same arithmetic your bank runs on, except the loan is a currency pair and the bank is the market.

Now here is the part the brochures leave out.

The carry is small. The price swing is not.

You can collect that rate difference patiently, month after month, and hand every bit of it back in a single afternoon when the cheap currency suddenly gets expensive. And that is not a freak accident or a once in a decade event. It is the normal life of this trade.

Which, if you sit with it, explains why the carry pays anything at all. Nobody hands you money for nothing. You are being paid to hold a risk that occasionally bites.

So here is what is worth watching, and I do mean watching rather than acting on: the direction of travel between those two central banks, and whether the pair is drifting quietly or moving in jumps.

Quiet drift is the carry doing its job.

Jumps mean somebody large is leaving.