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Spill over effects of futures contracts initiation on the cash market: a regime shift approach

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Abstract

This paper investigates possible spillover effects on the spot market due to the initiation of derivatives markets. Although speculation, which is apparent because of the low transaction cost of derivatives markets, produces noise in the financial system, the speculative forces and the rational hedging strategies jointly contribute to the price discovery process. Furthermore, the demand and supply forces are responsible for the financial system equilibrium and high volatility regimes imply high rates for the accumulation of new information. According to many analysts, there still exists a puzzle regarding the stabilization or destabilization effect of Futures contracts’ onset, which is both country and model specific. For that reason, this paper examines empirically the case of three European countries by the application not only of conventional structural break analysis, but also of regime shift analysis in order to account for the timing of possible spillover effects, and hence, to overcome the conflicting results of the extant literature. Furthermore, the proposed econometric methodology considers some stylized financial facts such as the leverage effect, the time varying risk premium, the decomposition of the day of the week effect, the leptokurtosis and the skewness of the returns’ distributions. For the purposes of our analysis we use data from the UK, Spain and Greek capital markets and according to the empirical findings, there exists a significant stabilization effect, which is negatively associated with the level of efficiency and completeness of the capital markets examined. However, in some cases there exists a short run destabilization effect for 1 or 2 months.

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Notes

  1. Black (1976) relates the asymmetric effects of negative news to the fact that a negative price change increases the leverage ratio of a firm, and thus increases the risk of the firm. Furthermore, the leverage effect is directly linked with the financial behaviour of economic units; a risk averse investor has a curved utility function where a marginal decrease is higher than a marginal increase, implying that the volatility is increased in response to bad news and decreased in response to good news asymmetrically. The response of volatility to news is asymmetric, since the bad news effect is higher, in absolute terms, than the good news effect.

  2. In this framework we consider both the ‘skewness’ in the information flow in the volatility specification (leverage effect) and in the return’s distribution.

  3. Campbell and Hamao (1989) argues that this is a common fact in most financial data with no implication in the efficiency of the underlying markets.

  4. Its dynamics are based on the Box-Cox transformation, and embodies many ARCH specifications as special cases; the leverage effect is captured by positive values of the parameter ‘γ’.

  5. Glosten et al. (1989), considered the ARCH-L model which captures the leverage effect.

  6. It is worth mentioning that in the case of the FTSE-20 index, parameterizations that allow for market effect in the conditional mean equation result in left asymmetry, which is revealed by the fact that this regressor is negatively skewed.

  7. As shown by the corresponding AIC and the diagnostic statistics on the residuals of the models.

  8. In the case of the FTSE-20 index the results regarding skewness rolling estimators are opposite when the mean market effect is omitted from the mean equation.

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Correspondence to George A. Karathanassis.

Appendix

Appendix

See Tables 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and Figs. 1a–c, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.

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Karathanassis, G.A., Sogiakas, V.I. Spill over effects of futures contracts initiation on the cash market: a regime shift approach. Rev Quant Finan Acc 34, 95–143 (2010). https://doi.org/10.1007/s11156-009-0149-4

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  • DOI: https://doi.org/10.1007/s11156-009-0149-4

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