Tejapi Quant

Use common technical indicators to backtesting Highlights Preface Relative strength index (RSI) is the momentum technical indicator. It is usually used as an oscillator interval to evaluate overbought or oversold condition by measuring recent trend of price movements. Following is the way to calculate this indicator: Criterion of RSI: RSI’s Deactivation: Gain and loss is […]

Analyze the relationship between the company’s earnings management and the earnings-price ratio group Preface Investors care about earnings which is one of the key indicators. future earnings trends will affect investors’ willingness to hold stocks. If investors expect an increase in the company’s earnings, they will improve their willingness to hold stocks. Earnings can be […]

Does the weights setting affects the performance of the two-factor portfolio? Preface The common weights settings are equal-weighted and capitalization-weighted. The former treats all factors as the same, assigns equal weights to different factors, and synthesizes new factor values; the latter weights individual factors with capitalization-weighted to synthesize new factor values at first, assign different […]

KD indicator is one of the commonly-used indicators in technical analysis. It’s mainly used for judging the current strength of stock price or possible timing of reversing. Following is the way to calculate this indicator

Observe the relation between employee turnover rate and stocks return Highlights Preface In recent years, there’s an investment called ESG investing, meaning when investing, the firm’s financial performance is not the only thing to be considered. Instead, its influence over environment and society and its corporate governance should be stressed as well. There are no […]

Use free database to do backtesting Highlights Preface MACD, standing for moving average convergence divergence, can be used to identify the medium-term and long-term trend of stock price. If the fast line (DIF) crosses from below to above the slow line(MACD), indicating there’s an upside momentum. On the contrary, when the fast line crosses from […]

Use trial database to determine the weight of your portfolio. Highlights Preface Most people often have hard time to determine the weight of portfolio. However, Harry Markowitz, the Nobel Prize winner in economics, gives us a theory based on the volatility and correlation of stocks. Simulated by different weights on portfolio, we can put the […]

Use python and TEJ database to execute event study Preface Seasoned equity offerings is a common financing option for listed firms, and the purpose of it includes expansion of capital expenditures, retirement of debts and improvement of financial structure. However, previous literature has implied that this borrowing behavior tends to send negative signals to the market, […]

Chip analysis and backtesting using TEJ API trial database Preface Generally speaking, big players such as institutional investors, insiders or other investors holding large amounts of shares have information advantages over retail investors. Thus, they are more likely to select stocks with potential growth and distance themselves from risky stocks. To decrease this kind of […]

Preface Machine learning(ML), deep learning(DL), and artificial intelligence have been widely used by industries recently. Applications such as image recognition and voice recognition are common in our life. However, wall street, the world center of finance has already recruited many statistics, mathematics even physics experts as algorithmic engineers and quantitative traders to exploit trading strategies. There had […]

Most investors mainly do their investment from the technical analysis, the fundamental analysis and the chip analysis. The technical analysis will use a lot of historical data among these 3 methods. Therefore, we are going to use Python to share some technical analysis indicators which investors used frequently this week. Highlights of this article Links related to this article […]

Through the previous 2 articles of “Data Analysis” , we have shared with you how to use Numpy and Pandas to start the first step of data analysis and the importance of using the adjusted stock price if you want to calculate the return. Therefore, this time we are going to use those tools to do […]