NDLI: Measuring User Influence in Financial Microblogs: Experiments Using StockTwits Data

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Measuring User Influence in Financial Microblogs: Experiments Using StockTwits Data

Content Provider	ACM Digital Library
Author	Oliveira, Nuno Ferreira, João Peixoto Cortez, Paulo
Abstract	In this paper, we study the effect of graph structure user influence measures in financial social media. In particular, we explore rich and recent data, composed of 1.2 million StockTwits messages, from June 2010 to March 2013. These data allow the creation of social network graphs by considering direct active interactions (retweets, shares or replies). Using such graphs and a realistic rolling windows evaluation, we analyzed four user influence measures (indegree, betweenness, page rank and posts) under two criteria: Percentage of Quality Users (PQU), as manually labeled by StockTwits; and the daily sentiment correlation between top lists of influential users and other users. The sentiment was based on a StockTwits labeled dataset and assessed in terms of three selections: overall sentiment (ALL) and filtered by two major technological companies (Apple -- AAPL and Google -- GOOG). Promising results were obtained, with several top lists presenting PQU values higher than 80% and correlations higher than 0.6. Overall, the best results were achieved by the page rank and posts measures.
Starting Page	1
Ending Page	10
Page Count	10
File Format	PDF
ISBN	9781450340564
DOI	10.1145/2912845.2912860
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-06-13
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Sentiment analysis Microblogging data User influence Social networks Stock markets
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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