If you’ve never traded government bonds, it is easy to see something like the France-Germany 10-year yield spread and think, why should I care?
Well, let’s look at it through a lens that most people would find more interesting – football.
Just think of France and Germany being two clubs that are playing in the same league. Now, both clubs need to borrow money in order to keep the operation running. However, investors see Germany as being the safer team to back. So if Germany can borrow for 10 years at 3.50% while France has to pay 4.30%, that 0.80% (80 bps) difference is essentially the yield spread.
To put things more simply, it is saying that investors need to be paid more to take on the French risk. So if the spread suddenly widens, it is a signal that investors are becoming more nervous about France relative to Germany.
Maybe the concern is about government debt, political instability or whether the budget deficit can realistically be brought under control. But just like a football team conceding a few goals early in the game, the problem does not necessarily stay in one part of the pitch.
In France’s case, local banks can come under pressure because they hold government bonds and are closely tied to the domestic economy. Meanwhile, French equities can suffer if financing conditions tighten. As for the euro currency, that can also weaken if investors start worrying that the problem is becoming less about France alone and more about the wider region instead.
Then of course, there is the ECB.
If sovereign yield spreads widen enough, the central bank may have to consider whether monetary policy is still being transmitted evenly across member states. And that becomes especially awkward if inflation is running hot. That is because in trying to ease the stress in bond markets, it could pull policy in the opposite direction.
So even if you never intend to trade a government bond, sovereign yield spreads can still tell you something useful about confidence, currencies, equities, and central bank policy.
Think of it as watching a football team’s defence starting to lose its shape during the game. One gap opening up does not necessarily decide whether things go wrong. But if that gap keeps getting wider and other players have to move across to cover it, then suddenly the weakness starts affecting the whole team.
Sovereign yield spreads work in a somewhat similar way. A modest widening may simply just reflect investors demanding a little more compensation for risk. But if the gap keeps growing, then the pressure can start spilling into currencies, stocks, and eventually the central bank.
To keep things short, you don’t need to trade bonds to care about the spread. But sometimes, it is simply one of the earliest signs that something elsewhere on the pitch is starting to unravel.
This article was written by Justin Low at investinglive.com.