By Abhinav Ramnarayan and Simon Jessop
LONDON Investors pushed into buying government bonds that won't mature for many years, seeking to bolster meagre returns since the financial crisis, could now face big losses if central banks raise interest rates.As yields have collapsed toward zero due to slow economic growth, falling inflation, super-easy monetary policy and central bank bond-buying, investors have sought bonds with longer and longer maturities to eke out extra basis points in return. Governments keen to lock in record-low borrowing rates have obliged by issuing longer and longer debt. A spate of 30-year and 50-year issuances have seen average maturities rise to 9.8 years, from 8.5 in 2011, according to JP Morgan's global government bond index - a huge shift for the multi-trillion dollar market. However if central banks raise rates to boost growth, bond prices will fall, with longer-dated ones sinking more sharply. This could trigger a sell-off that could be as bad or worse than the 2013 market rout - the "taper tantrum" - when the U.S. Federal Reserve began tapering its massive bond-buying programme, according to fund managers. At least one major central bank – the Fed – is imminently looking to raise rates and others in Japan and European countries, including the European Central Bank and the Bank of England, are looking at ways to tighten policy.This undermines the status of government bonds as "safe haven" assets, and leaves traditionally conservative pension, endowment and insurance funds loaded with "safe" bonds that now face huge capital losses if interest rates do indeed turn."It will be much worse than the taper tantrum in the U.S.," said Louis Gargour, chief investment officer at London-based credit hedge fund LNG Capital. "That move was caused by the anticipation of rates going higher. Now the reality is setting in and the cycle has changed and the market is done. I think the effect will be significantly more dramatic."
Longer-dated bonds typically have a higher "duration" – a calculation used to determine how long it takes to recoup your original investment via annual coupons – which makes their prices far more sensitive to an interest rate hike. The average duration of global bond portfolios is at a record high of seven years, from five years in 2008, International Monetary Fund data. This comes at a time when demand for bonds has grown more than any other asset class - by $410 billion this year alone, Lipper data shows.The stretching of the so-called duration of many funds' bond portfolios around the world shows how vulnerable the assets are to a severe crash. "The possibility of a sharp rise in interest rates (causing a reaction) akin to the previous taper tantrum is a scenario we are highly focused on," said Kathleen Hughes, head of European institutional sales at Goldman Sachs Asset Management.
Austria's recent 2 billion euro 70-year bond is one high-profile example of how state borrowers have issued longer and longer debt to take advantage of low rates. The duration of that bond is estimated to be a whopping 42 years, and buyers have already suffered some pain. Robeco portfolio manager Jeroen Blokland estimates that when the yield on the Austria bond rose 20 basis points in the short time after it launched, buyers would have lost as much as 8 percent of their investment. CONVEXITY COMPLEXITY
Tanguy Le Saout, head of European fixed income at Pioneer Investments, said the attraction lies in another bond market calculation called "convexity" - or how the duration of the bond changes with movements in rates.
"If the yield of the Austrian 2086 bond were to rise by 50bp (basis points), the price will drop by about 17 points - say from 97 to 80. However, if its yield were to drop by 50bp, the price goes up by 23 points - say from 97 to 120," he said. Others have bought long-dated bonds in the past to hedge against the possibility of the euro zone bloc falling into a Japan-style deflationary spiral. [nL5N1816BQ]Anthony Doyle, fund manager at M&G Investments, said prices of longer-duration debt tended to fall further in a sell-off but the bonds would likely find buyers in the form of pension funds and insurance companies, looking to match liabilities. "You're more likely to see most of the action at the belly of the curve, so the 10-year is where you'll see most of the price action," he added. At least one major investor believes a sell-off would be tempered by the overwhelming demand for a return of any form. In the case of the European Central Bank - which is widely believed to be reconsidering its aggressive stimulus stance of recent years - it would still be buying bonds for several months longer even if announced a taper, said Seamus Mac Gorain, portfolio manager at JP Morgan Asset Management."So while yields are likely to remain under pressure in the near term, a rise in yields will ultimately become a buying opportunity for investors." (Additional reporting by John Geddie; Editing by Pravin Char)
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Published Date: Nov 04, 2016 23:30 PM | Updated Date: Nov 04, 2016 23:30 PM