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JACIII Vol.15 No.2 pp. 145-155
doi: 10.20965/jaciii.2011.p0145
(2011)

Paper:

A Proposal of Stock Price Predictor Using Associated Memory

Shigeki Nagaya, Zhang Chenli, and Osamu Hasegawa

Imaging Science and Engineering Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan

Received:
April 16, 2010
Accepted:
January 24, 2011
Published:
March 20, 2011
Keywords:
associated memory, self-organizing incremental neural network (SOINN), signal prediction, casebased reasoning
Abstract

The novel method [1] we propose for predicting stock prices is a case-based reasoning predictor based on associative stock price data memory using Self-Organizing and IncrementalNeural Networks (SOINN) [2]. When a user inputs stock price data, the predictor outputs the most likely prediction based on statistically summarizing similar stock price pattern. It also outputs all cases included in the prediction. Our method has following advantages: (a) our predictor gives users grounds by giving all cases consisting of the prediction using associative memory. Users thereby recognize and are ready for prediction risk. (b) Our predictor avoids large prediction failures because it modifies itself through online learning and continues to learn without its learning parameters being reassigned. This makes it much safer where investment loss may be large. (c) Our predictor is as profitable as previous work while realizing unique, useful functions, as shown by experimental results using actual stock price data from the US and Japan markets between 1998 and 2005.

Cite this article as:
Shigeki Nagaya, Zhang Chenli, and Osamu Hasegawa, “A Proposal of Stock Price Predictor Using Associated Memory,” J. Adv. Comput. Intell. Intell. Inform., Vol.15, No.2, pp. 145-155, 2011.
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References
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