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Margins and Price Limits in Taiwan's Stock Index Futures Market

Author

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  • PIN-HUANG CHOU
  • MEI-CHEN LIN
  • MIN-TEH YU

Abstract

This study extends the framework of Brennan (1986) to find the cost-minimizing combination of spot limits, futures limits, and margins for stock and index futures in the Taiwan market. Our empirical results show that the cost-minimization combination of margins, spot price limits, and futures price limits is 7 percent, 6 percent, and 6 percent, respectively, when the index level is less than 7,000. When the index level ranges from 7,000 to 9,000, the efficient futures contract calls for a combination of 6.5 percent, 5 percent, and 6 percent. The optimal margin, reneging probability, and corresponding contract cost are less than those without price limits. Price limits may partially substitute for margin requirements in ensuring contract performance, with a default risk lower than the 0.3 percent rate that is accepted by the Taiwan Futures Exchange. On the other hand, though imposing equal price limits of 7 percent on both the spot and futures markets does not coincide with the efficient contract design, it does have a lower contract cost and margin requirement (7.75 percent) than that without imposing price limits (8.25 percent).

Suggested Citation

  • Pin-Huang Chou & Mei-Chen Lin & Min-Teh Yu, 2006. "Margins and Price Limits in Taiwan's Stock Index Futures Market," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 42(1), pages 62-88, February.
    • Handle: RePEc:mes:emfitr:v:42:y:2006:i:1:p:62-88
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    Citations

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    Cited by:

    1. Li, Zeguang & Hou, Keqiang & Zhang, Chao, 2021. "The impacts of circuit breakers on China's stock market," Pacific-Basin Finance Journal, Elsevier, vol. 68(C).
    2. Atilgan, Yigit & Demirtas, K. Ozgur & Simsek, Koray D., 2016. "Derivative markets in emerging economies: A survey," International Review of Economics & Finance, Elsevier, vol. 42(C), pages 88-102.
    3. Fang, Ming & Chang, Chiu-Lan & Zhang, Qi, 2023. "Impacts of trading restrictions on price volatilities and speculative activities: Evidence from CSI 300 futures," Economic Analysis and Policy, Elsevier, vol. 79(C), pages 184-204.
    4. Chiu, Chien-Liang & Chiang, Shu-Mei & Hung, Jui-Cheng & Chen, Yu-Lung, 2006. "Clearing margin system in the futures markets—Applying the value-at-risk model to Taiwanese data," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 367(C), pages 353-374.

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