CSPP is an abbreviation for Corporate Sector Purchase Programme - the European Central Bank's programme for buying bonds issued by companies - a policy that extends <a title="Quantitative easing or QE" href="https://quoteddata.com/glossary/quantitative-easing-or-qe/">Quantitative Easing </a>beyond purchases of government debt. The CSPP was announced on 10 March 2016 and activity started at the end of June 2016.