Skip to main content


Insights: Something Changed in These Key Asset Classes after 2008

Something Changed in These Key Asset Classes after 2008

5 out of 6 Have Grown More Correlated to the U.S. stock market

In a post-Financial Crisis world, it is important for investors to carry non-correlated assets in their portfolios. By adding investments that don’t move in tandem with the stock market, investors can diversify returns and limit exposure to drawdowns.

That diversification role typically falls to five asset classes: investment grade bonds, global high-yield bonds, international stocks, REITs or commodities. Historically, these assets were a relatively safe bet to reduce correlation to the U.S. stock market and earn a reasonable rate of return.

But something happened after 2008.

As you can see, these asset classes saw their relationship with U.S. stocks grow much tighter following the Financial Crisis.

This is a worrying development for investors seeking to diversify away from U.S. stocks because it leaves fewer shelters if the stock market were to stumble.

Bulls party on

Investors’ attention is understandably elsewhere, as U.S. stocks are on the second-longest bull market run of 107 months. They may even surpass the longest bull market of 117 months.

And for the first time, the S&P 500 finished the year without a single down month.

It may seem counterintuitive, but the bull market run makes the need for non-correlated assets even more acute. As stocks march higher, investors may find their portfolios contain a much higher allocation to stocks than intended. This can leave wealth exposed to a drawdown that is more damaging than expected.

Simply rebalancing at least once per year can help mitigate this risk by returning the portfolio to its original allocation. Investors can further reduce risk by creating a static allocation to non-correlated assets. But as we saw above, there are few attractive options beyond investment-grade bonds.

Opportunity to diversify

For investors seeking to diversify their U.S. stock exposure, consider adding managed futures as part of a diversified portfolio. If we add managed futures into the chart above, we find these strategies retain their pre-2008, non-correlated posture through the Financial Crisis to present day.

With 10 months to go before we see a new bull market record, now may be the time to consider adding non-correlated assets to your portfolio.


Longboard Asset Management, LP (LAM) is registered as an investment advisor with the Securities and Exchange Commission (SEC) and only transacts business in states where it is properly registered, or is excluded or exempted from registration requirements. SEC registration does not constitute an endorsement of the firm by the Commission, nor does it indicate that the advisor has attained a particular level of skill or ability. LAM is also registered with the National Futures Association.

This website is limited to the dissemination of general information pertaining to its advisory services, together with access to additional investment-related information, publications and links. The information on this site does not involve the rendering of personalized investment advice. You should consult a professional advisor before using any of the information, pursuing any of the investment ideas or implementing any of the strategies presented. We believe the information we present is factual and up-to-date, but we do not guarantee its accuracy and you should not should not regard it as a complete and exhaustive analysis of the subjects we discuss. Our opinions reflect our judgment as of the date of publication and are subject to change.

Prospective clients can view the firm’s Form ADV and Part 2A Disclosure Brochure as filed with the SEC at or contact us for a copy.

The content of this website is provided for informational purposes only, and should not be construed as legal or tax advice. Always consult an attorney or tax professional regarding your specific legal or tax situation. Longboard Asset Management, LP does not provide legal, tax, accounting, actuarial or pension consulting advice or services.

Images and photographs are included for the sole purpose of visually enhancing the site. None of them are photographs of current or former clients. They should not be construed as an endorsement or testimonial from any of the persons in the photographs.

Please see our online privacy policy.



Alternative investments: strategies that produce returns by taking risk other than equity and bond risk.

Bond: A debt security that shows ownership in a corporation or represents a claim in the corporation assets and earnings.

Correlation: a statistical measure of how two securities move in relation to each other.

Long: Buying an asset such as a stock, commodity or currency, with the expectation that the asset will rise in value.

Short: Buying an asset such as a stock, commodity or currency, with the expectation that the asset will decrease in value.

Stock: A security that shows ownership in a corporation or represents a claim in the corporation assets and earnings.

True diversifiers: investment strategies that have historically provided investors with at least 70% of the return of the traditional 60/40 stocks and bonds portfolios while having less than .30 bear correlation to traditional 60/40 stocks and bonds portfolios.