《Effects of a Price limit Change on Market Stability at the Intraday
Horizon in the Korean Stock Market》
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作者:
Wonse Kim, Sungjae Jun
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最新提交年份:
2018
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英文摘要:
This paper investigates the effects of a price limit change on the volatility of the Korean stock market\'s (KRX) intraday stock price process. Based on the most recent transaction data from the KRX, which experienced a change in the price limit on June 15, 2015, we examine the change in realized variance after the price limit change to investigate the overall effects of the change on the intraday market volatility. We then analyze the effects in more detail by applying the discrete Fourier transform (DFT) to the data set. We find evidence that the market becomes more volatile in the intraday horizon because of the increase in the amplitudes of the low-frequency components of the price processes after the price limit change. Therefore, liquidity providers are in a worse situation than they were prior to the change.
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中文摘要:
本文研究了涨跌停板变动对韩国股市日内股价波动过程的影响。根据2015年6月15日KRX价格限制发生变化的最新交易数据,我们检查了价格限制变化后的已实现方差变化,以调查变化对日内市场波动的总体影响。然后,我们通过对数据集应用离散傅立叶变换(DFT)来更详细地分析影响。我们发现有证据表明,由于限价变动后价格过程低频成分的幅度增加,市场在盘中波动更大。因此,流动性提供者的情况比变动前更糟。
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分类信息:
一级分类:Quantitative Finance 数量金融学
二级分类:Trading and Market Microstructure 交易与市场微观结构
分类描述:Market microstructure, liquidity, exchange and auction design, automated trading, agent-based modeling and market-making
市场微观结构,流动性,交易和拍卖设计,自动化交易,基于代理的建模和做市
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