Why the Bond Market Is Yielding Negative and What Negative Yields Mean for You

​There are four potential reasons that can explain the negative yield conundrum and can also illustrate the trade-offs between different investment strategies.

Negative yields on bonds are no longer unicorns. In Switzerland, Germany, Denmark and several other European countries, government bonds are trading atnegative nominal yields. There are four potential reasons that can explain the negative yield conundrum and can also illustrate the trade-offs betweendifferent investment strategies.

First and foremost, negative yields could simply be a consequence of active monetary policy (with the expressed goal of stimulating economic activity) in aworld where bond supply and demand is not balanced. It is certainly possible for negative short term deposit rates in concert with central bank purchasesof scarce fixed income assets to drive bond yields negative; policymakers, in fact, hope that this development will drive investors out of “safer”government bonds into other riskier assets. Central banks in major developed economies have amassed close to $10 trillion in government bonds since 2004,and still remain a source of demand of close to $3 trillion more a year. Meanwhile, the net issuance of government bonds of about $2.5 trillion has been onthe decline. This demand mismatch is likely one of the reasons there are $3.6 trillion in bonds outstanding trading at a negative yield (or about 16percent of the outstanding government bond universe).

If this scenario were the sole reason for negative rates, an investor could just take the central banks at their word and move out into the risky assetspectrum since they are, for the time being, underwriting the risk of loss.

Second, negative yields could potentially be correctly forecasting a sharp economic slowdown, which, as a consequence, could lead to an increase indefaults (both corporate and sovereign) in the future. Deflation has a similar effect. Paying up now and receiving less nominal money in the future can beprofitable if the price of goods has fallen sufficiently. Note that defaults and deflation usually go hand in hand. In such a scenario, the return of moneybecomes more important than the return on money. If this is true, then the premium above the face value one pays for a zero coupon cash flow is the“insurance premium” for a perceived higher likelihood of the return of invested capital. Investors are risk averse in the aftermath of the financial crisisand it is not irrational for them to seek assets they perceive to be highly liquid and “safe” in an effort to protect themselves against the repeat oflosses incurred in the aftermath of the crisis. For example foreign banks have 17 billion Swiss francs in deposits at the Swiss Central Bank at a depositrate of -0.75%, while yields are as low as -0.15% for a 10-year bond, and this is not likely invested for returns on capital, it is more likely an effortto protect capital and liquidity.

If the low or negative yields are signaling a sharp slowdown in the economy to come, then we should ignore the cosmetic levels of yields and buy thegovernment bond market, since yields (and total returns once we capture roll down on the yield curve) are likely to be positive and persistent in thisscenario. (To wit, the Japanese government bond market has been one of the best performers on a risk-adjusted basis over the last decade despitepersistently low yields, as short-term yields have remained low and the purchase of longer maturity bonds has resulted in investors earning the durationrisk premium).

Third, negative yields could also be a consequence of the ecology of current market participants. Choosing to not own these government bonds as an activeallocation decision can (even with good cause due to their negative yields) carry risk for certain investors – e.g., the potential for higher trackingerror to their benchmark or underperformance versus their peers. That said, as government bonds have an increased representation in many bond indexes thatare used as benchmarks, holding these bonds to stay close to the benchmark also carries a cost: lower absolute returns due to a portfolio with anincreasing component of negative return. And this cycle reinforces itself: As continued investor demand meets fewer new bonds available to match indexes,investors may have to accept this cost in order to manage risk versus their benchmarks. Figure 1 demonstrates this in terms of the percentage of theindexes in market value terms trading at negative yields. Since the middle of last year the percentage of government bonds in the JP Morgan GlobalGovernment Bond Index has risen to as high as 40% for Switzerland and Denmark, and about 20% for Europe.


Fourth, certain investors who have a preferred investment horizon may require a meaningful risk premium to buy bonds with maturities outside theirpreferred habitat. For instance, when investors with a shorter horizon are faced with short-term yields in negative territory, the steep slope of the yieldcurve and longer-maturity bonds might provide the inducement to buy longer bonds. Because they join other investors who invest regularly in longermaturities as part of their own preferred habitat, the ensuing higher demand could be a reason for negative yields on longer-maturity bonds, as wasrecently the case in Switzerland.

If one believes negative yields are primarily due to demand from passive or indexed investors, then an active investment strategy should tolerate thetracking error and take the other side of the indexing herd. Alternatively, for an active investor, buying at a negative yield with guaranteed loss if heldto maturity can still be a profitable strategy if the security is not held to maturity (i.e. if one is willing and able to patiently wait for theopportunity to find another “greater fool” to buy at still a higher price and a more negative yield). Recently, yield curves in Switzerland and Germanyhave become somewhat less negative, while yield curves in Denmark and Sweden more negative. These changes speak to a market attempting to find“equilibrium” by quickly shifting duration positioning in portfolios.

At any rate, the result so far of all this has been that the duration-weighted yield – i.e., the yield that would result from buying a country’s entirecurve – of major developed countries is converging to rates in Japan, which has had persistently low yields for over two decades, and not the other wayaround.


As investors, our response to the negative yield conundrum may depend in part on which one of these four explanations is the most important. And since theexamples above are not necessarily mutually exclusive, and are, in fact, interrelated, the simple and straightforward solution we would always like tofind, as usual, remains elusive.

For now, investors should pay close attention to the signals from policy makers, economic data, and anecdotes from other participants to create a flexibleframework for investing in a world of negative yields.

Despite the uncertainty, there is a logical approach to constructing robust portfolios. First, control exposure to risk factors where the uncertainty ofoutcomes may be the most severe, for instance, by adjusting overall portfolio duration. Second, tilt portfolios in directions where relative assetvaluation is more attractive, e.g. equity and bonds of companies with solid fundamentals. Third, look for cheap sources of convexity and diversification,where the ultimate and eventual resolution of the negative yield conundrum is likely to create large trends and market movements. And finally, in verybroad terms, aggressive central bank intervention with negative interest rates continues to underwrite risk taking. So if/as rates go more negative, anasset allocation of long equity risk versus underweight core government bond duration remains attractive.


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All investmentscontain risk and may lose value. Investing in the bond market is subject to risks, including market, interest rate, issuer, credit,inflation risk, and liquidity risk. The value of most bonds and bond strategies are impacted by changes in interest rates. Bonds and bond strategies withlonger durations tend to be more sensitive and volatile than those with shorter durations; bond prices generally fall as interest rates rise, and thecurrent low interest rate environment increases this risk. Current reductions in bond counterparty capacity may contribute to decreased market liquidityand increased price volatility. Bond investments may be worth more or less than the original cost when redeemed. Sovereign securities are generally backedby the issuing government. Obligations of U.S. government agencies and authorities are supported by varying degrees, but are generally not backed by thefull faith of the U.S. government. Portfolios that invest in such securities are not guaranteed and will fluctuate in value. Investors should consult theirinvestment professional prior to making an investment decision.

The JPMorgan Government Bond Index is an unmanaged market index that currently comprises the local currency, fixed rate coupon issues of 13 markets greaterthan 1-year in maturity. It is not possible to invest directly in an unmanaged index.

This material contains the opinions of the author but not necessarily those of PIMCO and such opinions are subject to change without notice. This materialhas been distributed for informational purposes only and should not be considered as investment advice or a recommendation of any particular security,strategy or investment product. Information contained herein has been obtained from sources believed to be reliable, but not guaranteed. No part of thismaterial may be reproduced in any form, or referred to in any other publication, without express written permission. PIMCO and YOUR GLOBAL INVESTMENTAUTHORITY are trademarks or registered trademarks of Allianz Asset Management of America L.P. and Pacific Investment Management Company LLC, respectively,in the United States and throughout the world. ©2015, PIMCO.

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