User profiles for Jim Kyung-Soo Liew

Jim Liew

Johns Hopkins
Verified email at sokat.com
Cited by 1881

Twitter sentiment and IPO performance: A cross-sectional examination

JKS Liew, GZ Wang - Journal of Portfolio Management, 2016 - search.proquest.com
In this article, the authors examine the cross-sectional relationships between 325 IPOs' first-day
returns and their corresponding tweet sentiment, as defined by iSENTIUM LLC's …

Forecasting etfs with machine learning algorithms

JKS Liew, B Mayster - The Journal of Alternative Investments, 2017 - pm-research.com
In this article, the authors apply cutting-edge machine learning algorithms to one of the oldest
challenges in finance: predicting returns. For the sake of simplicity, they focus on predicting …

Coronavirus: Case for digital money?

Z Kakushadze, JKS Liew - arXiv preprint arXiv:2005.10154, 2020 - arxiv.org
We discuss the pros of adopting government-issued digital currencies as well as a supranational
digital iCurrency. One such pro is to get rid of paper money (and coinage), a ubiquitous …

CryptoRuble: from Russia with love

Z Kakushadze, JKS Liew - arXiv preprint arXiv:1801.05760, 2018 - arxiv.org
We discuss Russia's underlying motives for issuing its government-backed cryptocurrency,
CryptoRuble, and the implications thereof and of other likely-soon-forthcoming government-…

The case for Bitcoin for institutional investors: Bubble investing or fundamentally sound?

JKS Liew, L Hewlett - Available at SSRN 3082808, 2017 - papers.ssrn.com
In this work we assume the institutional investor role and analyze a possible investment in
bitcoin (BTC). We document several salient features of BTC employing monthly returns over …

Do tweet sentiments still predict the stock market?

JKS Liew, T Budavári - Available at SSRN 2820269, 2016 - papers.ssrn.com
In this paper, we document a strong predictive relationship between US equity markets as
proxied by the capitalization weighted index excess returns and it’s corresponding tweet …

Why the United States must win the artificial intelligence (AI) race

AD Hull, JKS Liew, KT Palaoro, M Grzegorzewski… - The Cyber Defense …, 2022 - JSTOR
Russian President Vladimir Putin dramatically but correctly stated that whichever nation wins
the AI race will rule the world. The stakes have never been higher. Imagine a world where …

Tweet sentiments and crowd-sourced earnings estimates as valuable sources of information around earnings releases

JKS Liew, S Guo, T Zhang - The Journal of Alternative …, 2017 - search.proquest.com
In this article, the authors examine the confluence of two important financial social media
databases--Estimize and iSentium. Both databases capture crowdsourced information that …

[HTML][HTML] Custom v. standardized risk models

Z Kakushadze, JKS Liew - Risks, 2015 - mdpi.com
We discuss when and why custom multi-factor risk models are warranted and give source
code for computing some risk factors. Pension/mutual funds do not require customization but …

When and How Are Analysts' Price Targets and Recommendations Useful?

…, KJ Wallace, D Islip, RH Kwon, JKS Liew - The Journal of …, 2023 - pm-research.com
The Journal of Investing (JOI) is a scholarly journal for the financial services industry, appealing
to both the academic and practitioner audiences. The JOI offers practical analysis and …