The New Market effect on return and volatility of Spanish stock indexes

Recently (April 2000), the New Market index began to be computed in the Spanish Stock Exchange as a relevant indicator of the new technological firms' behaviour in the Spanish economy. This paper provides empirical evidence about the relationships between the return and volatility of Spanish se...

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Bibliographic Details
Published in:Applied financial economics 2004-12, Vol.14 (18), p.1343-1350
Main Authors: Lafuente, Juan Ángel, Ruiz, Jesús
Format: Article
Language:English
Subjects:
Economic theory
Finance
Market theory
Methodology
Spain
Stock exchange
Stock exchanges
Stock prices
Stock returns
Studies
Volatility
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Summary:Recently (April 2000), the New Market index began to be computed in the Spanish Stock Exchange as a relevant indicator of the new technological firms' behaviour in the Spanish economy. This paper provides empirical evidence about the relationships between the return and volatility of Spanish sector indexes and the New Market index volatility. Using GARCH methodology, empirical results reveal a positive significant impact on the financial, industrial and utilities sector volatility, that is, high volatility in New Market tends to increase volatility in the other sectors. On the other hand, only a statistical effect is detected on returns of the industrial sector, suggesting that only this sector require a risk premium when shocks in the technological sector increase the global market risk.
ISSN:0960-3107
1466-4305
DOI:10.1080/09603100410001692828