The Dec10 EUA contract found support around €14.60 and encountered resistance close to its 50-day moving average at €15.05.. By contrast, CER prices were hit by news on 26 November that the CDM Executive Board will issue CERs to all but one of the HFC23 projects that had been subject to review. The issue of nearly 20 million CERs served to widen CER-EUA spreads to their widest points this year..