The chase for yield has driven the the spread between junk bonds and AAA bonds to a 20-year low level of just 79 points.
This has happened at the same time as the AAA-10-year spread has widened. The Junk-10-year spread remains historically tight.
Somewhat surprisingly with spreads so tight, the high-yield market isn't a screaming sell at the moment. However, when one looks at real junk bond yields, it does look to be extremely overvauled