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1. I want to view the changes in stock information in real time. I compared the stock API of Sina, Netease, and yahoo with a delay of 15 minutes. The returned data of Sina is in csv format, while that of Netease is in json format. Therefore, Netease's stock API is used. 2. Use the following format to query stock inform

Question Recently, \ (\ Text {lxhgww} \) became addicted to investing in stocks. After a period of observation and learning, he summed up some rules of stock quotations. Through a period of observation, \ (\ Text {lxhgww} \) predicted the trend of a stock in the future \ (T \) Day, the \ (I \) the daily stock purchase price is per share \ (ap_ I \), and the sales

1. The difference between stock and funddon't put the eggs in the same basket . Buying stocks is like putting an egg in the same basket, and once the basket has turned upside down, the whole basket of eggs is finished. Similarly, if you use your money to buy a stock or multiple stocks, once the company's share price falls, the money you buy will be lost.Put the eggs in different baskets . You take out a sum

One trick per day: three key tricks for stock exchange font: size skin: favorites 2015-06-30 11:00:03Stock market such as battlefield, there is no forever right and wrong, only to recognize the situation, adjust the thinking, homeopathy and for, is the way to win. In the choice of shares, stock exchange on how to take advantage of, targeted, can follow the following several principles:　　First, to replac

Say you has an array for which the i-th element is the price of a given-stock on day I.Design an algorithm to find the maximum profit. You are in most of the transactions.Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).Thought: My brain is more stupid, the idea is more unpopular, and high efficiency.The maximum time complexity is O (n^2), the minimum

no.10--State Sea Securities in the All-in-one edition The site provides the national Sea Securities in one version of the download, the National Maritime Securities of the first edition of the software is a set of quotes, analysis, trading, information in the stock software. no.9--Wanguo the same flush Wanguo Flush is a Wanguo online securities trading software. no.8--founder Securities Spring Friends Professional Edition Founder Securities Sprin

The calculation formula of purchase quantity of single goods is generally: The best purchase quantity = Low limit ≤ (planned dosage + inventory low limit – on-hand inventory) ≤ inventory High-limit which Inventory low limit must be guaranteed, inventory high-limit in the procurement for reference only. On-hand inventory = existing physical stock + in-transit inventory Existing physical stock = Posted Invent

The recent stock market is hot, many employees outside the work of the online stock, everyone feel like to ban the stock software is a very difficult thing, because it may be using the HTTP protocol, if you want to ban the stock software unless the Internet. So many companies can only open one eye and one eye closed. C

The recent stock market is hot, many employees outside the work of the online stock, everyone feel like to ban the stock software is a very difficult thing, because it may be using the HTTP protocol, if you want to ban the stock software unless the Internet. So many companies can only open one eye and one eye closed. C

This article uses the method mentioned here to improve, in order to obtain all the stock data in bulk, and the stock data is simple statistics.The first use of the program requires a CSV file that records the names and codes of each stock.The format is as follows:As for the production, or quite simple, Baidu a stock code, or directly here, you can easily get all

"Stove-refining AI" machine learning 045-Modeling of stock data by hidden Markov model(Python libraries and version numbers used in this article: Python 3.6, Numpy 1.14, Scikit-learn 0.19, matplotlib 2.2)Stock data is very very typical timing data, the data are arranged by date, and the stock price is what we can observe the observation sequence, and the underlyi

One trick per day: The three most common methods of bullish stock selection font: size skin: favorites 2015-05-04 11:00:06Select a good stock can be profiteering, choose the wrong shares, bull inside also want to lose a lot of money, this is a new round of great bull market's new features. Stock selection has become the majority of investors in the success of

Population structure, commodity prices, and technological innovation are three important factors that affect the stock market cycle. The population structure has an impact period of about 50 years, and scientific and technological innovation has an impact period of about 30 years, the commodity cycle is about 30 years. Analyzing the trend of A-shares based on these three cycles will provide us with a brand new perspective on the market. Three cycles o