Empirical evaluation of price-based technical patterns using probabilistic neural networks

Samit Ahlawat ()
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Samit Ahlawat: Bank of America, Postal: Risk, 1 Bryant Park, New York, NY 10036, USA.

Algorithmic Finance, 2016, vol. 5, issue 3-4, 49-68

Abstract: Technical analysis is the art of identifying patterns in historical data with the belief that certain patterns foretell future price movements. An empirical evaluation of the effectiveness of technical analysis is confounded by the subjectivity involved in identifying patterns. This work presents a robust framework for pattern identification using probabilistic neural networks (PNN). The thirty components of the Dow Jones Industrial Average and a set of ten indices are considered. Fourteen patterns are analyzed. In order to test the possibility that technical patterns are more predictable in certain market environments, the period under study (1990 – 2015) is partitioned into bull and bear markets and the statistical significance of profits earned by identified patterns observed in each environment is analyzed. A range of holding periods from 10 to 50 trading days is considered and a simple model of transaction costs is added. The study reveals that no pattern produces statistically and economically significant profits for a cross-section of stocks and indices analyzed, though a few patterns are more successful predictors. Bullish (bearish) patterns are more reliable predictors in bullish (bearish) market environments. These observations can be explained by the Adaptive Market Hypothesis with certain patterns becoming more accurate predictors in specific market environments.

Keywords: Neural network; technical analysis; technical trading rules; scatterplot smoothing (search for similar items in EconPapers)
JEL-codes: C00 (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:ris:iosalg:0050

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