Python

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 […]

To construct a portfolio based on Jim Slater’s principle Preface Jim Slater is one of the well-known U.K. investors. He used to write column articles of portfolio recommendation for Sunday Telegraph and was famous for earning around 68.9% return during the period between 1963 to 1965, while the U.K. stock market only grew at 3.6% […]

Stock screening from Buffett’s investing principles. Preface Warren E. Buffett is the person who has made the most money from stocks in the history of the world. He returned to Omaha in 1956 and started with $100. As of August 1999, his total personal assets have reached $36 B, becoming the second richest person in […]

Demonstrate how to get data from TEJ API financial database Preface Financial data is the information firms disclose each season, or financial indicators based on that information. Common financial data mainly comes from balance sheets, income statements or cash flow statements. Besides, TEJ API financial database also includes more comprehensive information such as financial ratios, related […]

Use TEJ API to construct our own backtest system. Preface Trade Backtest is a more scientific approach to test strategy nowadays. Although the past cannot represent the future. The result of backtest can provide us some information about the strategy. However, if we have to run different strategy, we need to build a new system. […]

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 […]

The application and usage of TEJ API trial database Preface With the increase of the calculation power of chips, Big Data has become more and more important, especially in the field of the financial markets. How to analyze a specific industry or company precisely? It always comes bias if we analyze by our intuition. Therefore, […]

Fulfill the investing strategy of Trinity Investment Management through python. Preface Trinity Investment Management, founded in 1974, was only provided investment research advice for investment institutional clients, and it has managed investment portfolios for clients since 1980. In 1999, it became a member of Oppenheimer Funds, Inc., one of the largest mutual fund and investment […]

Fulfill Roger E. King’ s investing strategy through python. Preface Roger E. King is a well-known value fund manager in the United States. He used to be the senior vice president and chief investment officer of Sun Insurance Services and senior vice president of GULFCO Investment Management. He founded King Investment Advisors Inc. in 1981. […]

Sending the important data information to your phone through Line Notify After building our own database through TEJ API and understanding how to use Window Task Scheduler to update the database regularly a few weeks ago. Today we are going to teach you how to make it more convenient. That is through the Line Notify to automatically […]

Using the document to have a deep understanding of TEJ Rest API. Preface TEJ has official packages which are specialized for R, Python users to make data collection more convenient. (Python API document) TEJ also cares about the programmers of other language users(C, C#, Java), so we have developed Rest API to extract data from […]

Using the document to have a deeper understanding of TEJ API. After previous financial data applications we have introduced to you, we have received some messages about how to use the API properly. Therefore, to make users use our TEJ API more comfortably, we will spend one to two weeks to make a clear description of […]