How news events impact market sentiment

PA Hafez - The handbook of news analytics in finance, 2011 - Wiley Online Library
News sentiment is shown to outperform 1-month price momentum when predicting future
returns of the S&P 500. Market and industry-level sentiment indexes are constructed based on …

News beta: Factoring sentiment risk into quant models

P Hafez, J Xie - Journal of Investing, 2016 - papers.ssrn.com
The stock market is affected by sentiment. The question is, however, how to quantify this effect
on asset prices. By utilizing the unique RavenPack Sentiment Index, a news-based proxy …

Clinical impact of COVID-19 on patients with cancer (CCC19): a cohort study

…, MJ Glover, EA Griffiths, AP Gulati, S Gupta, N Hafez… - The Lancet, 2020 - thelancet.com
Background Data on patients with COVID-19 who have cancer are lacking. Here we characterise
the outcomes of a cohort of patients with cancer and COVID-19 and identify potential …

Socially responsible investing: Combining ESG ratings with news sentiment generates alpha

P Hafez, F Gomez - 2019 - papers.ssrn.com
ESG ratings as a stock screener for downside protection can be significantly improved when
combined with sentiment indicators derived from news and social media. Following a …

Short-term stock selection using news based indicators

P Hafez, J Xie - Available at SSRN 2155679, 2012 - papers.ssrn.com
Calculating news sentiment indexes at the company level in real time offer a better
understanding of the role of sentiment in asset pricing. This study shows how to construct these …

Web news analytics enhance stock portfolio returns

P Hafez, J Xie - Available at SSRN 2423362, 2014 - papers.ssrn.com
In this study, we explore the characteristics of RavenPack’s new data set derived from online
sources of financial news and opinion compared to the real-time content published by Dow …

Factor investing with sentiment: a look at asia-pacific markets

P Hafez, R Matas Navarro, I Grinis… - Available at SSRN …, 2020 - papers.ssrn.com
We build six traditional style factor indices and an alternative factor index using news
sentiment information from RavenPack Analytics. We accomplish this with a factor mimicking …

Machine learning and event detection for trading energy futures

P Hafez, F Lautizi - Big Data and Machine Learning in …, 2019 - books.google.com
The commodity futures spectrum is an integral part of today’s financial markets. Specifically,
energy-related ones like crude oil, gasoline and natural gas, among many more, all react to …

Sentiment Derived from News Predicts EURUSD Movements

P Hafez, J Xie - Available at SSRN 2342247, 2013 - papers.ssrn.com
In this research, we investigate how EURUSD reacts to short and long term changes in macro
sentiment between the US and the Eurozone. Sentiment is measured by assigning scores …

Intraday Forex Trading Based on Sentiment Inflection Points

P Hafez, J Xie - Available at SSRN 2198816, 2013 - papers.ssrn.com
In this study we propose a short-term Forex trading strategy that uses the principles of
technical analysis to create buy or sell signals based on data derived from fundamental news. …