Suche
Anzeige der Dokumente 11-20 von 54
Machine Learning Sentiment Analysis, Covid-19 News and Stock Market Reactions
(2020-09-15)
The possibility to investigate the impact of news on stock prices has observed a strong evolution thanks to the recent use of natural language processing (NLP) in finance and economics. In this paper, we investigate COVID-19 ...
Resiliency: Cross-Venue Dynamics with Hawkes Processes
(2020-10-16)
Market fragmentation and technological advances increasing the speed of trading altered the functioning and stability of global equity limit order markets. Taking market resiliency as an indicator of market quality, we ...
The FOMC Risk Shift
(2021-01-27)
We identify a component of monetary policy news that is extracted from high-frequency changes in risky asset prices. These surprises, which we call “risk shifts”, are uncorrelated, and therefore complementary, to risk-free ...
A Modern Take on Market Efficiency: The Impact of Trump’s Tweets on Financial Markets
(2021-05-06)
We focus on the role of social media as a high-frequency, unfiltered mass information transmission channel and how its use for government communication affects the aggregate stock markets. To measure this effect, we ...
Volatility, Valuation Ratios, and Bubbles: An Empirical Measure of Market Sentiment
(2021-03-24)
We define a sentiment indicator that exploits two contrasting views of return predictability, and study its properties. The indicator, which is based on option prices, valuation ratios and interest rates, was unusually ...
Survey_CNHP_2020
Overall, we have collected 203,886 online articles that were published on three platforms between January 23, 2020 and June 22, 2020. Reuters.com and nytimes.com are the websites of the respective international news companies ...
VIX
VIX is the ticker symbol and the popular name for the Chicago Board Options Exchange's CBOE Volatility Index, a popular measure of the stock market's expectation of volatility based on S&P 500 index options. It is calculated ...
Bloomberg
Bloomberg offers a wide range of data on the world's leading public and private companies. Bloomberg database components includes: Stock price data, CDS and bond data, calculated ratios, financial accounts information; ...
Compustat
Compustat (from Standard & Poor's) provides annual and quarterly income statements, balance sheets, statements and supplemental data on North American public companies.
Datastream
Historical financial database with over 35 million individual instruments or indicators across all major asset classes, including 8.5 million active economic indicators. It features 70 years of data, across 175 countries ...