Showing 1 - 10 of 2,135
In this paper, the author uses geometrical and topological aspects of Exploratory Data Analysis (EDA) to examine Standard and Poor's (S&P), MSCI's and Thomson Reuters' (TRI) ways of determining which stocks are growth and which are value. The results of the analysis are that two of the firms -...
Persistent link: https://www.econbiz.de/10013117025
Following recent advances in the non-parametric realized volatility approach, we separately measure the discontinuous jump part of the quadratic variation process for individual stocks and incorporate it into heterogeneous autoregressive volatility models. We analyze the distributional...
Persistent link: https://www.econbiz.de/10013004411
A rapidly growing literature has documented important improvements in volatility measurement and forecasting performance through the use of realized volatilities constructed from high-frequency returns coupled with relatively simple reduced-form time series modeling procedures. Building on...
Persistent link: https://www.econbiz.de/10009764770
In this paper, we provide evidence on two alternative mechanisms of interaction between returns and volatilities: the leverage effect and the volatility feedback effect. We stress the importance of distinguishing between realized volatility and implied volatility, and find that implied...
Persistent link: https://www.econbiz.de/10013128856
This paper presents an empirical investigation of scaling and multifractal properties of US Dollar–Deutschemark (USD–DEM) returns. The data set is ten years of 5-min returns. The cumulative return distributions of positive and negative tails at different time intervals are linear in the...
Persistent link: https://www.econbiz.de/10012975255
The newest tool for estimating damages in 10b-5 cases is high frequency data. For each stock transaction, high frequency data provides a variety of in-depth information, including date, time (up to the second), price, quantity, and characteristics. High frequency data also provides the date,...
Persistent link: https://www.econbiz.de/10014212810
Strengthening competition in the equity markets has long been a major public policy objective. This paper turns to another important determinant of market quality, one that has received relatively little attention in the public policy debates: order integration — the way in which orders are...
Persistent link: https://www.econbiz.de/10013006636
In this brief research paper, I explore patterns in intraday return and volume correlation between the S&P 500 and sector indices, as represented by minutely data from Aug. 23 to Oct. 1 for the SPDR exchange-traded funds. Notably, there is evidence of two previously unreported time-of-day...
Persistent link: https://www.econbiz.de/10013138138
The purpose of this paper is to improve our understanding of the relationship between share price and accounting information. Much of the literature utilizes the earnings number to reflect firm value. However, the revenue number seems more relevant for high tech firms (Xu, Cai, & Leung, 2007),...
Persistent link: https://www.econbiz.de/10014359227
Purpose - This study aims to provide preliminary information to the investor by determining which indices co-movement, with the data mining method. Design/methodology/approach - In this context, data sets containing daily opening and closing prices between 2001 and 2019 have been created for 11...
Persistent link: https://www.econbiz.de/10014339088