1.   The spread measures the perceived risk in holding a security other than a Treasury bond.

2.   The spread measures the premium investors demand to invest in Spain instead of Germany.

3.   The spread measures the risk premium investors demand to invest in gilts rather than bunds.

4.   The spread measures the perceived risk in holding a security other than a U.S. Treasury bond.

5.   The spread measures the premium investors demand to hold Swedish bonds instead of bunds.

6.   The spread measures the difference in yield between government bonds and corporate bonds.