JGBs are mixed in price terms ahead of the Japanese Finance Ministry's auction today of about 600 billion yen of 30-year sovereign debt. Although the 30-year issue "does not look particularly attractive from a [relative-value] standpoint, its high outright yield stands out," SMBC Nikko Securities' Miki Den says in a research report. "We think real money, not fast money, is likely to take center stage at the auction," the senior Japan rates strategist says. The 10-year JGB yield is unchanged at 2.830% while the 30-year yield is up 1 bp at 4.085%. (ronnie.harui@wsj.com)