Jan. 9 (Bloomberg) -- The biggest exchange-traded fund tracking U.S. municipal debt jumped to a record as fewer bond sales by states and local governments left the ETF as one of the few ways to capture gains in the market.
The iShares S&P National AMT-Free Bond Fund climbed 0.3 percent to $110.93, giving it a five-day increase of 2.5 percent, the biggest advance since January 2011, data compiled by Bloomberg show. That compares with a 0.6 percent gain in the S&P Municipal Bond Index, on which the ETF is based.
Gains in the ETF are outpacing the underlying debt because money managers who have run out of bonds to buy are using it to mimic returns in the municipal market, according to Dodd Kittsley, the New York-based head of the due diligence group at BlackRock Inc.’s iShares unit. States and cities sold $258.26 billion of fixed-rate debt in 2011, down from $407.68 billion the year before, according to data compiled by Bloomberg.
“The supply in the muni market’s been highly constrained,” Kittsley, whose firm oversees $3.3 trillion, said in a telephone interview. “The premium’s really a reflection of MUB as an access vehicle for the market and reflects this asymmetric liquidity in the underlying.”
The rally has sent the ETF’s price 2.4 percent above the value of the bonds it holds, the highest premium in three years, according to data compiled by Bloomberg.
Yields on benchmark 20-year municipals fell 9.1 basis points on Jan. 9 to 3.3 percent, the biggest one-day drop since Dec. 7, according to data compiled by Bloomberg. A basis point is 0.01 percentage point.
Large orders of ETFs are made through so-called authorized agents of the sponsors, who purchase blocks of the underlying assets and trade them with the fund to create new shares. The mechanism helps an ETF’s share price stay close to its net-asset value as investors arbitrage discrepancies between the fund shares and underlying holdings.
Illiquidity in the municipal market causing difficulty in creating the ETF baskets can raise costs for authorized agents and increase the price of the ETF. Issuance fell after the federal Build America Bonds program, which offered states and localities a 35 percent subsidy on interest costs, ended on Dec. 31, 2010.
“If you have an illiquid market and there’s not much supply out there, everyone’s just holding onto their bonds, then any sort of creation is going to move the price of the ETF even if it’s a small one,” said Timothy Strauts, a Chicago-based ETF analyst at Morningstar Inc., in a telephone interview today.
Investors have put more than $32 million into the ETF in the past week and more than $471 million in the last year, data compiled by New York-based XTF Inc. show.
The overall municipal market returned 11.2 percent last year, according to Bank of America Merrill Lynch indexes tracking prices and interest income. That beat 9.3 percent for U.S. Treasuries and 7.2 percent for corporate bonds.
Municipals outperformed other asset classes after the “hundreds of billions of dollars” of defaults predicted by bank analyst Meredith Whitney in December 2010 didn’t happen. States and cities in the $3.7 trillion municipal market withstood the longest recession since the 1930s as they reduced spending to close deficits and tax collections rose for eight consecutive quarters through Sept. 30, the longest stretch of gains since 2008, the Census Bureau said Dec. 20.
Pacific Investment Management Co., which runs the world’s largest bond fund, has boosted holdings of U.S. municipal debt to the most in more than five years and may buy more. Adding securities that outperformed Treasuries, stocks and commodities last year may bolster Bill Gross’s $244 billion Total Return Fund, which lagged behind others in 2011. It returned 4.16 percent compared with the average 4.78 percent of its peers last year, according to data compiled by Bloomberg.
“This seems to a very logical place to expect asset allocation in the new year,” said Nicholas Colas, the New York- based chief market strategist at BNY ConvergEX Group LLC. “The world is searching for yield and worried about the incremental taxes implied by every-rising Federal debt. Munis are at the intersection of those trends.”
--Editors: Chris Nagi, Mark Tannenbaum
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