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The performance of amateur traders on a public internet site: a case of a stock-exchange contest

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Date
2013
Link to item file
http://econpapers.repec.org/RePEc:ebl:ecbull:eb-13-00229
Dewey
Economie financière
Sujet
Amateur traders; behavioral finance; internet trading; persistence
JEL code
G.G0.G00; G.G1.G10
Journal issue
Economics Bulletin
Volume
33
Number
3
Publication date
2013
Article pages
1729-1737
Publisher
Economics Bulletin
URI
https://basepub.dauphine.fr/handle/123456789/11775
Collections
  • LEDa : Publications
Metadata
Show full item record
Author
Bernard, Philippe
status unknown
Blanchard, Michel
status unknown
Type
Article accepté pour publication ou publié
Abstract (EN)
This paper studies a very thorough e-trading data base, including all of the bid/ask orders and daily portfolio values of more than 600 on-line amateur traders in the Paris Stock market focusing on the stormy period covering 2007-2009. Traders also participate in a monthly contest and can win significant prizes. Our first result emphasizes the huge average losses of amateur traders. On average, portfolio values fall from an initial value of 100 to a terminal value of 7 in the 29 months covered here. Our final value is 28 including rewards. The second result is more surprising. Despite our splitting context, smart traders don't clearly emerge. There is clearly no performance persistence, neither for winners nor for loser. With a very few exceptions, winners seem to be just lucky not skilled.

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