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ZIP60: Further Explorations in the Evolutionary Design of Trader Agents and Online Auction-Market Mechanisms

Record type: Article

The “ZIP” adaptive automated trading algorithm has been demonstrated to outperform human traders in experimental studies of continuous double auction (CDA) markets populated by mix¬tures of human and “software robot” traders. Previous papers have shown that values of the eight parameters governing behavior of ZIP traders can be automatically optimized using a genetic al¬gorithm (GA), and that markets populated by GA-optimized traders perform better than those populated by ZIP traders with manually-set parameter values. This paper introduces a more so¬phisticated version of the ZIP algorithm, called “ZIP60”, which requires the values of 60 pa¬rameters to be set correctly. ZIP60 is shown here to produce significantly better results in com¬parison to the original ZIP algorithm (called “ZIP8” hereafter) when a GA is used to search the 60-dimensional parameter space. It is also demonstrated here that this works best when the GA itself has control over the dimensionality of the search-space, allowing evolution to guide the expansion of the search-space up from 8 parameters to 60 via intermediate steps. Principal component analysis of the best evolved ZIP60 parameter-sets establishes that no ZIP8 solutions are em¬bedded in the 60-dimensional space. Moreover, some of the results and analysis presented here cast doubt on previously-published ZIP8 results concerning the evolution of new ‘hybrid’ auction mechanisms that appeared to be improvements on the CDA: it now seems likely that those results were actually consequences of the relative lack of sophistication in the original ZIP8 algorithm, because “hybrid” mechanisms occur much less frequently when ZIP60s are used.

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Citation

Cliff, Dave (2006) ZIP60: Further Explorations in the Evolutionary Design of Trader Agents and Online Auction-Market Mechanisms IEEE Transactions on Evolutionary Computation

More information

Published date: December 2006
Additional Information: Event Dates: May 9, 2006
Venue - Dates: Trading Agent Design and Analysis (TADA) Workshop at AAMAS 2006, Japan, 2006-05-09
Keywords: Algorithmic Trading, Automated Market Mechanism Design, Adaptive Trader-Agents, ZIP Traders, Genetic Algorithms, ZIP, ZIP60.
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 264078
URI: http://eprints.soton.ac.uk/id/eprint/264078
PURE UUID: c673ea67-2bbc-42f8-add7-aeb526f3e36f

Catalogue record

Date deposited: 23 May 2007
Last modified: 18 Jul 2017 07:39

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Contributors

Author: Dave Cliff

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