stock effect

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

Sina's financial channel has always felt good. But because of the recent slow speed, the Web page is always open when viewing stock information. have been studying Ajax for several days, so I made a page with jquery to automatically read real-time data on Sina stock. Accustomed to using prototype, replace the script part of the code. Copy code code as follows: Of course, the page par

Problem-solving ideas: Record two states: 1, currently, there is a stock when the maximum yield Havstock = max (Havstock, Nonstock-prices[i]) 2, currently, no stock when the maximum yield nonstock = max (nonstock, hav Stock + prices[i]) State transfer formula is listed above. Class Solution {public : int Maxprofit (vector

Even for the veteran of the stock market, it may be useful to review the basics of stocks.The essence of shares is simple, which is part of the ownership of a company. Stock is the certificate of Ownership, which represents the shareholder's interest in the company, including the company's assets, liabilities, income and so on. Holding a company's shares means that you are one of the owners (shareholders) o

1855: [Scoi2010] Stock trading time limit:5 Sec Memory limit:64 MBsubmit:909 solved:420[Submit] [Status] [Discuss] Description recently Lxhgww and fascinated by the investment stock, through a period of observation and study, he summed up the stock market some rules. Through a period of observation, Lxhgww predicted the future of a

This year experienced the rise and fall of the bull market, after a 6.26 plunge, the entire round of stock market profits all vomit. The root of the return is the pyramid to add more, Shanghai 2500 to more than 4,000 has been small funds small bets, walk stop, May end of the brain cramps suddenly transferred money to the stock account, originally wanted to play new, The result unconsciously in 5.27 add to f

A: I want to grow rice to make a lot of money. Give me warmer weather. I want more sunshine!Farmer B: Top...... N days later, there will still be no warm sunshineFarmer A: Why does the Jade Emperor not let the sun shine?WinterAh?Farmer B: the Jade Emperor, an adult, should have an internal relationship. Let the sun out! These stories make you laugh better than others. But let's look back and see if the first joke is more normal?No. In fact, the first joke is the most absurd. In today's ag

Fund balanceDaily profit rate: The daily profit rate of the user on the previous trading day;Weekly profit rate: the weekly profit rate of users this week;Monthly profit rate: the user's rate of return this month;Average profit per day: the total profit of a user is calculated by the number of contestant days;Total profit rate: the total profit rate of the user from the day of the self-selected manual competition;Stock selection success rate: the prop

Part 1 leading stock has five conditions To become a leader, individual stocks must meet five basic conditions:First, leading stocks must start from the daily limit. Stocks that do not support daily limit cannot be the leader. In fact, the daily limit is the most accurate attack signal of both sides. It is the cradle of all dark horses and the birthplace of the leaders. Second, leading stocks must be at a low price, generally no more than 10 yuan. In

Title DescriptionGiven an array, the first element of it is the price of the first day of a given stock.Design an algorithm to calculate the maximum profit you can get. You can do as many trades as possible (buy and sell a stock).Note: You cannot participate in multiple transactions at the same time (you must sell the prior stock before buying again).Example 1:Input: [7,1,5,3,6,4] Output: 7 explanation: B

Stock market terms. Volume refers to the transaction volume of a stock per unit time, including the daily transaction volume, monthly transaction volume, and annual transaction volume. The price refers to the price of a stock, subject to the closing price, and the opening price, the highest and lowest prices. There is a certain internal relationship between the r

Best time to buy and buy stock Say you have an array for which the ith element is the price of a given stock on day I. IfYou 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. Ideas Best time to buy and stoc