After heavy criticism from investors, analysts and bond insurers over Standard & Poor’s new bond insurance rating criteria, the agency is firing back in self-defense.

Standard & Poor’s — which issued the final criteria at the end of August after sending out a request for comment criteria in January — took heat both from analysts and investors on a conference call in early September and from bond insurer Assured Guaranty Ltd.’s president and chief executive, Dominic Frederico, last week.

Subscribe Now

Independent and authoritative analysis and perspective for the bond buying industry.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.