Andrew Lo () (Massachusetts Institute of Technology) Harry Mamaysky () (Massachusetts Institute of Technology) Jiang Wang (Massachusetts Institute of Technology)
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Technical analysis, also known as "charting", has been a part of financial practice for many decades, yet little academic research has been devoted to a systematic evaluation of this discipline. One of the main obstacles is the highly subjective nature of technical analysis---the presence of geometric shapes in historical price charts is often in the eyes of the beholder. In this paper, we propose a systematic and automatic approach to technical pattern recognition using nonparametric kernel regression, and apply this method to a large number of US stocks from 1962 to 1996 to evaluate the effectiveness of technical analysis. By comparing the unconditional empirical distribution of daily stock returns to the conditional distribution---conditioned on specific technical indicators such as head-and-shoulders or double-bottoms---we find that over the 31-year sample period, several technical indicators do provide incremental information and may have some practical value.
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Length: Date of creation: 19 Mar 1999 Date of revision: Publication status: Published, Journal of Finance, 55:4, August 2000, 1705-1765. Handle: RePEc:sce:scecf9:402
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