‘Constrained’ and ‘unconstrained’ indexes are published. In the constrained indexes, issuers are limited to a maximum weighting of 3% and the weighting is adjusted monthly. A full range of sector, maturity and rating indexes is also published. As of January 1 2007, 193 bonds qualified for index membership.
The bonds comprising the iBoxx Euro High Yield indexes are priced by selected investment banks, including Barclays Capital, BNP Paribas, Deutsche Bank, Dresdner Kleinwort, JP Morgan, Morga