Insights

In-depth research and data-driven insights on quantitative finance, factor investing, risk, and ESG from the TEJ research team.

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Fundamental Factor Research: Monthly Revenue Information – part1

The Taiwan equity market possesses a rare institutional advantage globally: under the Securities and Exchange Act, listed companies are required to announce and report their operational results for the preceding month by the 10th of each month (Exception: starting from FY2026, insurance companies and entities with insurance subsidiaries may extend their disclosure deadline to the 15th of each month). This is commonly referred to in the market as "Monthly Revenue".

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Factor Research –  Tracking Smart Money Footprints via Foreign Institutional Concentration – QFII Part 1

Track QFII ‘smart money’ footprints in Taiwan large-cap stocks! Learn how the Foreign-Institutional Trading Concentration (conc_qfii) factor predicts returns.

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Empirical Research on Behavioral Factors in the Taiwan Stock Market: A Case Study of the Share Distribution

In an AI-driven Taiwan stock market, mastering chip distribution (ownership structure) is the key to profitability. This study delves into the Share Distribution data from the TDCC, transforming 15 tiers of shareholding data into behavioral finance factors such as investor attention, opinion dispersion, and retail speculation. By utilizing Fama–MacBeth two-stage regression and the alphalens-tej quantitative tool, we precisely validate the predictive power of psychological biases on stock returns, providing investors with actionable Alpha strategies and robust risk management solutions.

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Event & Alternative Signals

Should ESG ETF Be a Buy? Backtest Performance of ESG ETF

ESG is an important indicator for evaluating a company’s sustainable development and is also one of the important issues that investors pay attention to. Environmental risks are an issue that the world must pay attention to. Both investors and social groups have begun to supervise companies’ or governments’ response measures to environmental risks. This article will buy-and-hold ESG ETF and backtest risk and performance.

2024.04.24 more
Event & Alternative Signals

TQuant Lab Warren E. Buffett’s Business Investment Rules

This article selects five critical stock selection criteria from Buffett’s Business Investment Rules. From utilizing TejToolAPI to fetch financial data and screen targets to using TQuant Lab to backtest investment risks and performance, we will explore Buffett’s investment style and appreciate the ability of Business Investment Rules to generate excess returns.

2024.02.22 more
Event & Alternative Signals

Negative Screening: Striking the Balance Between Your Beliefs and Portfolio Returns

For advocates of negative screening, the most crucial question is how to screen for good companies. Can the selected companies not only align with personal values but also meet returns?

2023.07.27 more
Event & Alternative Signals

【Data Analysis】TESG Event Radar Topic Modeling

Today we will use the “TESG Event Radar” data to fulfill topic modeling, which can help us easily and quickly understand the ESG trends or topics of open data of the government, shareholders meeting report, and ESG report.

2023.04.25 more
Event & Alternative Signals

ESG Investment Portfolio (Part 2)

In the previous article, we introduced TESG’s scoring mechanism in detail and its rating ratio among popular ETFs in China. This article will teach readers how to further use the ESG rating provided by TESG, and use Python to construct a concurrent An investment portfolio with sustainable operations and financial growth potential.

2023.04.17 more
Event & Alternative Signals

ESG Investment Portfolio (Part I)

In recent years, various asset management companies have launched ESG-related ETFs, such as the pioneering Fubon Corporate Governance ETF (00692), which focuses on the top 100 companies in Taiwan in terms of corporate governance, and the Cathay Sustainable High Dividend ETF (00878), which combines high dividend yields with sustainability criteria. The common thread among these ESG ETFs is their tracking of ESG indices introduced by domestic and international index providers. While each ESG ETF specializes in different areas, they all rely on ESG screening criteria, emphasizing sustainable business practices among their constituent stocks, allowing investors to invest in assets that balance environmental sustainability and robust growth potential.

2023.01.02 more