oʊʃˈɔːnəsi hɐz ˈɔːθɚd sˈɛvɹəl bˈʊks ðæt jˈuːs stˈændɚd ænd pˈʊɹz kəmpˈʌstæt dˈeɪɾəbˌeɪs tə pɹəvˈaɪd ɛkstˈɛnsɪv kwˈɔntᵻtˌeɪɾɪv ɐnˈæləsˌɪs ʌv stˈɑːk mˈɑːɹkɪt pɚfˈoːɹməns.
O'Shaughnessy has authored several books that use Standard & Poor's Compustat database to provide extensive quantitative analysis of stock market performance.