Jim O'Sullivan is valued by traders and investors for successfully combining broad macro analysis with expertise in the data and events that set the tone for financial markets from week to week. According to MarketWatch, he is the "most accurate forecaster in America over the past 10 years." He was MarketWatch Forecaster of the Year for 2004, 2006, 2008, 2011, 2012 and 2013, six of the ten years since the award was created. Ranking is based on accuracy in projecting U.S. economic indicators, with virtually all Wall Street economists tracked. He has been MarketWatch Forecaster of the Month twelve times, most recently in January 2014.
O'Sullivan has been co-ranked as top U.S. economic analyst three times in Institutional Investor's survey of U.S. fixed-income investors, and he has been ranked among the top three analysts five times.