The 30-year bond gained 29/32, to a price of 100 9/32.

Initially, bonds gained ground following a decline in the October producer prices data.

A bond with a duration of seven years would gain 7 percent of its price when interest rates moved up one percentage point.

The 30-year bond gained nearly a full point, up 30/32, to a price of 100 27/32.

The 30-year bond gained 14/32, to a price of 100 27/32.

The Treasury's long bond gained more than a point on Friday, to yield 8.80 percent.

Other municipal bonds have also gained more than a percentage point in this period.

In early trading, bonds gained on some of the momentum from the previous day's trading.

Should the jobs report tomorrow show fewer new jobs than expected, bonds could gain in price.

The 30-year bond gained 21/32, to a price of 100 26/32.