US Treasurys Prices Fall on Hopes of Fiscal Deal

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U.S. Treasury yields rose to their highest since October on Tuesday as U.S. President Barack Obama and Republican lawmakers edged closer to a deal to avert a fiscal crisis in early 2013.

Negotiations to avoid a "fiscal cliff'' of U.S. tax hikes and spending cuts looked closer to an agreement after House of Representatives Speaker John Boehner kept the support of his Republican colleagues for compromises in talks with Obama. (Read More: White House Rejects Boehner's Backup Plan)

An agreement is likely to reduce demand for safe-haven U.S. debt and boost riskier assets, including stocks, as fears over the potential impact on the economy are removed.

"Agreement on the 'fiscal cliff' could bring a significant move away from safe-haven assets, not just here in the U.S., but globally,'' said Dan Heckman, senior fixed income strategist at U.S. Bank Wealth Management in Minneapolis. New Treasurys supply is also weighing on prices. (Read More: 'Cliff' Talks to Continue Holding Markets Hostage)

The Treasury sold $35 billion in 5-year notes on Tuesday and will sell an additional $29 billion in seven-year notes on Wednesday and $14 billion in five-year Treasury Inflation-Protected Securities (TIPS) on Thursday.

"We're also seeing some back-up due to heavy supply,'' said Heckman.

Tuesday's five-year note sale drew solid demand, selling at a high yield of 0.769 percent, around half a basis point higher than where the notes traded before the auction.

Direct bidders took 30.4 percent of the auction, the second largest on record, part of a shift over the past few years in which more investors are buying directly from the government and bypassing dealers.

"The directs are in many cases matching the indirects,'' who buy debt through dealers, said Richard Gilhooly, interest rate strategist at TD Securities in New York.

Indirect bidders bought 32.4 percent of the sale and dealers took 37.2 percent.

"Looking at what dealers got I would say it's a strong auction,'' Gilhooly said.

Longer-dated bonds were also hurt on Tuesday after the Federal Reserve bought near the minimum in a buyback of bonds as part of its Operation Twist program. The Fed bought $1.7 billion in bonds due between 2036 and 2042, out of $4.11 billion submitted for purchase.

Traders had been expecting the Fed's purchases would help support bonds this week. It will buy between $1.5 billion and $2.25 billion each day this week and will focus purchases on long bonds due between 2036 and 2042 in both Wednesday and Friday's buybacks.

Thirty-year bonds fell 1-9/32, their yields rising to 3.02 percent, the highest since September 17, and up from 2.95 percent late Monday. The gap between five-year notes and 30-year bonds expanded to 225 basis points, out from 221 basis points on Monday, and the widest since October 9.

Benchmark 10-year notes were down 16/32 in price, their yields rising to 1.84 percent, the highest since Oct. 25 and up from 1.77 percent late on Monday.

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