credit high yield investment grade Macro Tourist

Trader Asks: Does IG Know Something Everything Else Doesn’t?

"Something unusual is happening."

By Kevin Muir of “The Macro Tourist” fame; reposted here with permission


The US stock market is on fire.


The American economy is clipping along at the best pace in a long while. Financial conditions are still easy. Not surprisingly, high-yield bond spreads are within spitting distance of recent tights (lows).


This is all to be expected in an environment of economic expansion.

Investment-grade not playing ball

As a macro guy, there is nothing unexplained with this picture. But I must admit, I don’t follow the day-to-day movements of different parts of the bond market as much as I should. Luckily, I have friends at credit shops who recently brought to my attention the divergence between investment-grade OAS (Option Adjusted Spread) and high-yield OAS. For those not familiar with OAS, think about it as the spread you earn on top of the risk-free government rate for taking the credit risk of a corporate bond. For example, if government bonds yield 2.25% and the comparable high-yield index yields 5.50%, then the OAS is 3.25%.

Obviously investment-grade bonds (those with a credit rate BBB- or higher) will typically trade at a lower OAS than high-yield bonds (those rated below BBB-). But generally you would expect the two indexes to follow each other relatively closely. And in fact, stresses often show up first in the high-yield market.

Yet, something unusual is happening in investment-grade bonds. Even though most other risk indexes are well bid, investment-grade bonds are struggling.

Here are the two different indexes since 2010.


Let’s drill in on the action over the past year and a half.


The past five months have been brutal to investment-grade credit investors. IG OAS has risen from 95 bps in late January, to 140 bps today. This is a big move for investment-grade bonds. it is an especially big move considering the fact that most other risk assets are not following suit.

In fact, if we look at the ratio of high-yield OAS to investment-grade OAS, we are sitting at the lowest level since 2009 (chart from Barclays):


Something unusual is happening.

Is the investment-grade sell-off overdone? Or is high-yield due for some catch-up on the downside?

I don’t have any answers, but it is interesting that investment-grade bonds are having such a difficult half-year. Maybe we look back at this period and say it was a great buying opportunity. But maybe we look back and say, the investment-grade bond market knew something way sooner than the rest of us.


4 comments on “Trader Asks: Does IG Know Something Everything Else Doesn’t?

  1. Craig Mackechnie

    I got some macro commentary recently about money flowing out of EM bonds into US high yield. They are seeking safety from the EM rout but need to still earn a decent yield. This could be a factor compressing yield spreads in favour of high yield. Another piece in the jigsaw maybe?

  2. LQD ( i shares investment grade etf) is geared to financial and consumer cyclical sectors while low exposure to energy.

    HYG ( i shares high yield etf) is geared to communication and energy while low exposure to financial.

    Is it a battle of interest rates and the likelihood of higher oil prices?

  3. Yeah maybe the “trade war” narrative is gaining more traction in the market

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