Transaction cost and stock trading cost analysis
交易成本和股票交易成本分析
Transaction cost is an important factor for investors to decide if they should make an investment. Apparently, this factor is just used to attract investors; however, it also can be a measure to show the market internal efficiency. Profitable transaction cost always can attract more investors which can improve the market internal efficiency; after all, a stock market is used to attract people firstly. The series of changes in regulation is designed to attract more investors, if it did, that should be a positive change.
交易成本是投資者決定他們是否應該進行投資的一個重要因素。顯然,這個因素只是用來吸引投資者,但是,它也可以是一個措施,顯示市場內部效率。有利可圖的交易成本總是可以吸引更多的投資者,可以提高市場效率內部,畢竟,股市是用來吸引人們首先。一系列監管變動的目的是吸引更多的投資者,如果它這樣做,應該是一個積極的變化。
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In order to encourage investors to take part in, SSE began to decrease the transaction cost since 2008. This measure became more detailed in 2009. It helped to expand and improved the market a lot, it was also positive for the market liquidity. And it did attract more investors, so there is no doubt that this measure is positive. It did improve the market internal efficiency by encouraging more people to take part in the stock market.
為了鼓勵投資者參與,自2008年以來,上交所開始降低交易成本。這項措施在2009年變得更詳細的。它有助于擴大和完善市場很多,市場流動性也呈陽性。它確實吸引了更多的投資者,因此,毫無疑問,這一措施是積極的。它確實提高了市場的內部效率,鼓勵更多的人參與股市。
Actually transaction cost analysis (TCA) has been researched from 70s or 80s of last century. Securities market and the main reason for the existence is one of the basic market transaction cost savings, saving investors to invest in enterprises with investment costs, saving the cost of transactions between investors, people are constantly seeking to reduce transaction costs of alternative methods. According to Elkins / McSherry (2004) statistics in the United States (annual turnover is 90%), TCA annual savings of 0.5% of assets under management. It showed that if the implementation of Chinese fund companies (annual turnover in the 200-300%) increase per year to tens of billions of billions of revenue. It can find the best liquidity, lower implementation costs, and improve investment returns or opportunities for gain. TCA allows asset managers to clearly understand the true costs of trading portfolio where investors can find better opportunities, and improve investment returns. In addition, in mature markets and 70% of trading volume by institutional investors to complete, no doubt, TCA can improve the return on investment.#p#分頁標題#e#
事實上,交易成本分析(TCA)的研究已經從上世紀70年代或80年代。證券市場存在的主要原因是基本的市場節省交易成本,節省了投資者投資企業的投資成本,節省了投資者之間的交易成本,人們不斷尋求替代的方法來降低交易成本。據埃爾金斯/ MCSHERRY的的(2004)在美國的統計數據(年營業額的90%),三氯乙酸每年可節約0.5%,所管理的資產。它表明,如果實施,中國基金公司(年營業額在200-300%)增加每年數十億數十億的收入。它可以找到最好的流動性,降低實施成本,并提高投資回報或收益的機會。 TCA允許資產管理公司清楚地了解交易組合的真實成本,投資者可以在那里找到更好的機會,提高投資效益。此外,在成熟市場和機構投資者完成的交易量的70%,毫無疑問,TCA可以提高投資回報率。
Increasingly complex trading strategies need assessment and tracking. TCA is an important part of the investment process, the best strategy for cost analysis, if no benefits may be destroyed. Currently, TCA has been widely used to assess trading strategies, algorithmic trading and other transactions effective sincere and earnest manner, or merits. Improve market quality, reduce costs and increase the price impact of liquidity, reduce market volatility and improve the pricing efficiency. If investors consider the price impact of trading costs, will not appear on the significant impact of price instantaneous large orders, split orders into its options. Stock market volatility is often bought by the bulk resulting in or sell, TCA removed single behavior brought play a reduced role in the overall market volatility. Opaque and incomplete confirmation of the transaction is to enable investors to pay excessive implementation costs. Therefore, greater transparency is essential. More and more countries are studying the optimal implementation of the rules and other standards to improve the capital market system, to help investors better understand their ongoing investment in things.
越來越復雜的交易策略需要評估和跟蹤。 TCA是投資過程中的一個重要組成部分,進行成本分析,最好的策略,可能會被破壞,如果沒有好處。目前,TCA已被廣泛用于評估交易策略,算法交易和其他交易有效的真誠和認真的態度,或案情。提高市場質量,降低成本和價格提高的影響,流動性,減少市場波動,提高定價效率。如果投資者認為價格的交易成本的影響,將不會出現重大影響的價格瞬間大訂單的,訂單拆分成其選項。股票的市場波動往往是買散裝或出售,除去TCA帶來的單一行為在整體市場波動起到減少的作用。不透明和不完整的交易確認書,使投資者支付執行成本過高。因此,更大的透明度是至關重要的。越來越多的國家正在研究最優的執行規則和其他標準,完善資本市場體系,幫助投資者更好地了解他們的持續投資的事情。#p#分頁標題#e#
With the capital markets and the rapid development of information technology, market microstructure theory has become an important research area, which is an important focus of transaction cost. Transaction cost for investors not only reflects the ease of the transaction or the securities market liquidity measure, it is also an important indicator of the situation. How to effectively and accurately estimate transaction costs, transaction costs for investors, control and improve market efficiency is of great significance. At the same time, also the transaction costs and asset pricing linked to the foundation. Demsetz(1968)defines transaction costs investors pay for the immediate implementation of the transaction costs, the difference between market makers trading prices measure the size of transaction costs. Bid-ask spread is actually a static concept of transaction costs, can be observed at the time of transaction. Another method is to estimate the instantaneous price changes caused by transactions which is a dynamic concept of transaction costs, and price change.
隨著資本市場和信息技術的飛速發展,市場微觀結構理論已經成為一個重要的研究領域,這是交易成本的一個重要焦點。投資者的交易成本不僅體現了方便的交易或證券的市場流動性的措施,這也是形勢的一個重要指標。如何有效地,準確地估計交易成本,投資者的交易成本,控制和提高市場效率具有十分重要的意義。在同一時間,也相關的交易成本和資產定價的基礎。德姆塞茨(1968)定義交易成本投資者支付的交易成本立即執行,做市商交易價格之間的差異衡量,交易成本的大小。買賣價差交易成本實際上是一個靜態的概念,可以觀察到的交易時間。另一種方法是估計瞬時交易的交易成本是一個動態的概念所造成的價格變動和價格變動。
Effective spread is the transaction price and the midpoint of the difference between trading prices for securities trading in the situation between the trading prices. In many markets, making market orders due to various reasons the transaction price than the price is good, which means that effective spreads are usually smaller than the quoted spreads.
有效價差是交易價格和證券交易的買賣價格之間的差異的情況下的交易價格之間的中點。在許多市場,使得市場訂單,由于各種原因,交易價格比性價比還是不錯的,這意味著有效價差通常小于報價價差。
Harris (1990) proved that positive auto covariance bid-ask spread is more likely because of relatively low value. Another dynamic transaction cost estimate is the sensitivity of stock price trading. Changes in securities prices generally can be divided into long-term effects and temporary effects. Reflects the long-term effects of the information content of instruction, will cause changes in the value of securities; and temporary effects are due to temporary liquidity effects, inventory control behavior, price dispersion, etc., can only lead to short-term fluctuations of stock prices, not on the value of securities in real terms. Order due to price changes may be permanent or may be temporary, changes in relationships between securities transactions actually reflects the cost of implementation. Glosten and Harris (1988), Ma dhavan, Richardson and Roomans (1997), Huang and Stoll (1994), Lin Sanger and Booth (1995) had studied the impact of price on the day of the empirical model. Chinese stock market transaction costs by ordering the processing elements, there are other transaction costs of ingredients, and they will change at any time ask to increase. Transaction costs not only the common trend of change, but also with the characteristics of the stock.#p#分頁標題#e#
哈里斯(1990)證明,積極自動協方差買賣價差的可能性更大,因為價值相對較低。另一種是動態的交易成本估計股價當日波動的敏感性。證券價格的變化一般可分為長期的效果和臨時效果。教學內容的信息反映了長期影響,會導致證券價值的變化;臨時效果是由于臨時流動資金效應,庫存控制行為,價格分散等,只能導致短期波動股票價格,而不是實質的證券的價值。訂購,由于價格的變化可能是永久性的,或可能是暫時的,證券交易之間的關系的變化實際上反映了實施成本。 Glosten和Harris(1988),理查德森和Roomans馬dhavan,(1997年),黃和斯托爾(1994),林桑格和展位(1995)研究了一天的實證模型對價格的影響。中國股市交易成本,訂貨處理單元,也有其他交易費用的成分,他們將改變在任何時間,要求增加。交易成本不僅是共同的變化趨勢,但也有特點的股票。
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