stock effect

There are a number of variations on this series of optimal values.1. Say you has an array for which the i-th element is the price of a given-stock on day I.If you were-permitted to complete at most one transaction (ie, buy one and sell one share of the stock), des IGN an algorithm to find the maximum profit.The simplest problem, there is a scenario: I came back from the future, I know a commodity in the bac

Fund manager killed not to say money shadyfinger-base winning trick one: Never fearBecause the measurement of an index fund is good, do not look at what Alpha Coefficient Sharpe index, as long as the tracking index of the error is not big. The smaller the tracking error, the better the Fund. So the index fund is always calm in waiting for the full position of the collapse or full of inflation in the state, he will not fear, he is always greedy! And in a bull market, do we need more fear or gree

The wolf came to the stock marketJuly 6 to determine the stock disaster, the national rescue began, after the first July 27 is a stock disaster, we still believe that the bull market, and then today's August 18 is a stock disaster thousand shares, this is the second stock di

I. First, think about the stock you bought before entering the market, and whether you don't need it for a short time. That is to say, it is a temporary idle money. 2. Select a stock to be bought. It is recognized as a good company. Such as Vanke and CMB. 3. Wait for the purchase time. (1) After the stock market has been greatly adjusted. (2) When the

Let's look at the current stock market. Once upon a time there was a small village that produced a very special fruit. Because of traffic problems and output problems, the price has remained at around 10 RMB/kg for several years. This kind of fruit cannot be planted elsewhere, so the harvest is also stable, about 10000kg. The villagers rely on fruits for relatively loose income, but are not rich. Later, I heard about the village, a financial giant

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

Use Mop in Linux Command Line to monitor stock prices It is usually good to have a hidden income, especially when you can easily coordinate your part-time and full-time work. If you use a networked computer in your daily work, stock trading is a popular option to get extra income. However, currently, only a few stock monitoring software can run on linux, most of

1. stocks under the 60-day moving average will never touch 2. The stock is above the 30-day moving average and the moving average is upward. 3. The 10-day moving average goes up, and the 5-day moving average crosses the 10-day moving average downward. 4. The stock is based on the day of purchase. The day before the purchase plus the day before and the day after the purchase. The lowest price in the three da

Stock disk watching skills A good sense of disk is an essential condition for investing in stocks. A sense of disk needs to be trained. through training, most people can learn how to train the sense of disk in the following aspects: I. Stick to the daily replay, and select the target stocks based on the stock selection method. The focus of the replay is to view the trend of all stocks. The sideline is th

Not much to say, the following directly see the implementation code. The main function has only one class implementation (stock.class.php): (\d+ (\.\d+)?)', $html); } Private Function Tips ($html) {return $this, match ('([^', $html); } Private Function Qushishort ($html) {return $this, match ($this-Qushipattern ("short-term trend"), $html);} private Functi On Qushimiddle ($html) {return $this, match ($this-Qushipattern ("Medium trend"), $html), Private function Qushilong ($h tml) {return $this,

Ideas :Say you has an array for which the i-th element is the price of a given-stock on day I.If you were-permitted-to-complete at most one transaction (ie, buy one and sell one share of the stock), design an AL Gorithm to find the maximum profit.code : OJ Test code runtime:111 ms1 classSolution:2 #@param prices, a list of integers3 #@return An integer4 defMaxprofit (Self, prices):5 #Non

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).Problem Solving Ideas:Since it is a two-time deal, it is divided into two areas. First, according to the idea of a transaction to cal

Before using Sina's stock data, because Sina Http/javascript lacks some data, uses the chrome own development tool to monitor the Teng Xun financial HTTP information, obtains the following method to obtain the stock data. Take Wuliangye as an example, to get the latest quotes, access the data interface: [HTML] http://qt.gtimg.cn/q=sz000858 return data: [HTML] v_sz000858= "51~ Wuliangye ~000858~27.78~27.60~

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. Transactions at the most K .Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).Credits:Special thanks to @Freezen for adding this problem and creating all test cases.Based on Dynamic PlanningMaintain II vectors:gpro:to Da

title :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).Code : runtime:175 ms1 classSolution:2 #@param prices, a list of integers3 #@return An integer4 defmaxprofit_with_