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撮合時間的縮短對證券市場交易品質的影響

The Impact of Shorten Matching Time on Security Market Transaction Quality

摘要


本研究試圖檢定證券交易撮合時間的縮短對證券市場交易品質的影響。以買賣價差、市場深度、波動性等三項指標,做為衡量交易品質變化的代理變數,以100年至102年台灣證券市場所有上市公司的日內交易資料為研究樣本進行實證檢測,主要目的在於瞭解日內交易撮合時間的長短對證券市場之逆選擇、流動性及波動性的影響。實證結果顯示縮短證券交易撮合循環時間能顯著降低買賣價差並能夠提升市場深度,因此有助於提升證券市場交易品質,而對波動性而言是無法提升市場交易品質。

並列摘要


The bid-ask spread, market depth and volatility were used as the proxy variables of the market transaction quality in this study. All the intraday transaction data of TWSE stocks (Include Foreign Issuers) from 2011 to 2013 were used to examine the relationship between the stock market matching time and the market transaction quality. The results revealed that shortening the stock market matching time could obviously reduce the bid-ask spread increase the market depth, and could therefore improve the market transaction quality. To increase the volume and turnover rate of the stock market and to follow the trend of global stock market, the matching time is aimed to become real time and the matching time is estimated to become 5 seconds at the end of 2014. According to results of this study, we conclude that the market transaction quality will be further improved as the matching rate further increased.

參考文獻


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被引用紀錄


曾翊恆(2024)。委託決策、委託交易品質與成交量能:加快撮合之實證觀察臺大管理論叢34(2),139-184。https://doi.org/10.6226/NTUMR.202408_34(2).0004

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