elephant stock

Best Time to Buy and Buy Stock Problem 1: Best Time to Buy and StockSay you have an array for which the ith element is the price of a given stock on day I. If you were only permitted to complete at most one transaction (ie, buy one and every one share of the stock), design an algorithm to find the maximum profit. That is, the maximum benefit of one purchase and o

I. Introduction of BASIC financial knowledge　　Finance : The equivalent flow of value and profit is realized after the existing resources are re-integrated.　　Financial Instruments : financial assets that can be traded in financial markets.Common financial instruments: stocks, futures, gold, foreign exchange, funds and so on.Second, the stockThe stock is a kind of voucher that the stock company sends to the i

Http://www.51boxue.net/phper/php-cy/95985.htm Stock information query function we need to crawl the data of the third party, and then we analyze the data to compose what we want, let's look at a PHP stock information query class.Git Hub Address:GitHub.com/widuu/stock Exception($result [' errmsg '], 1); Return } return $result [' Retdata ']; }/** *

My stock market experience has been around for a month ........ In retrospect, years ago, the company began to focus on the stock market... at first, not at first, and finally asked Securities Qualification Examination (for a financial software company, you should be familiar with the business ), A year ago, I started to change my mind, but I had no money (new graduates ). More than yuan of money st

Python uses multi-threaded and multi-process to get all stock real-time dataThe previous day briefly introduced how Python obtains historical data and real-time data, so what do you do if you want to get real-time pen data for all listed companies?It must be thought that a list of all listed companies to store the stock code, and then infinite loop to get it?Now there are more than 3,400 shares in Shenzhen

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_

R get Stock dataSeveral pkg in R provide the online download of stock data Essentials, if you have to find a better, then quantmod well-deserved! For example, to download the market data in Shanghai, the code can be:library(quantmod)SSE head(SSE)possible:library(quantmod)setSymbolLookup(SSE=list(name="000001.SS", src="yahoo"))getSymbols("SSE")head(SSE)These are the essentials recommended by Jeff Ryan (Quant

Now in the hand is a securities information type of app, which involves the stock market interface, the market has chart and so on, see a lot of people on the Internet to seek this information, so I specially wrote a demo here to share with you. Here's how it works: The background map is the use of canvas first draw a rectangle, and then draw a few dotted lines, the EMA is drawn through the path, in short the drawing is very simple, I do not intro

The February 29 News reported that South Korea's only stock exchange, the Korean Exchange (KRX), will create an over-the-counter (OTC) platform using block-chain technology. The trading system developed by the Korean Exchange, which uses the underlying bitcoin and other digital currency codes, is at an early stage of development, The Korea Times reported. The exchange's representative told the media that the platform could help its OTC traders reduce