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
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
★ Four stages of the stock market movement:With the 30th moving average as the standard, a complete stock market circulation movement must contain a framed four stages, no one stock can be excepted. 30th moving averages are the lifeline of the Strategic and tactical action of the institutional dealer, and the value of the short-term operation must arouse our abso
Warren Buffett in the face of the public, the first thing to do is to drink Coke to sell moe.1. The fund manager is too incompetent, and the data show that few fund managers can continue to surpass the index in performance. So choosing a fund is not as direct as buying an index.2. The index will save time and effort, do not have to stare at the stock at work. It is the most valuable investment that young people spend more time working hard to improve
2016/05/09 Append: corresponding QUANTMOD package related instructions reference http://www.quantmod.com/
The Quantmod package defaults to access to Yahoo Finance data, including SSE and Shenzhen stock data, as well as Hong Kong equities.
The SSE code is SS, deep Proof code is SZ, Hong Kong stock code is HK
such as Maotai: 6000519.SS, Vanke 000002.sz, Changjiang industrial 0001.hk
Use the following command
1. Calculation formula for the next day's bid price: Buy forecast = Open today + (today close-open today)/2 Note: The premise of calculating the bid according to this method is that the stock prices are rising today, and the candlestick is paid by the Yang Line.For example: If a stock open price is 10 yuan, close price is 10.8 yuan, then the next day's bid calculation should be 10.8-10/2=10.40 yuan. As the
Using the Tushare library, he has a function that reads whether all dates are open and the return value is Dataframe typeimport tushare as tsts.trade_cal()IsOpen 1 is the opening.The full source code is as follows:import tushare as tsimport datetimeimport timedef JiaoYiRiQi(): while True: DatetimeNOW = datetime.datetime.now().strftime(‘%Y-%m-%d‘) OpenList = ts.trade_cal() OpentimeList = OpenList.isOpen[OpenList.calendarDate == DatetimeNOW] if OpentimeList.values[0]
Topic: Given a sequence, the number of substrings after the difference is ABA, where b part length is m,a part length is greater than 0First enumerate the length j of a, inserting a key point at every J point in the sequenceFor the key point in position I, we find the first i+j+m positionUse a suffix array to find out how many locations are the same for two positions, and the same for the right extension.To ensure that you do not repeat left and right up to j-1 locationsAfter the expansion lengt
There is a set of arrays representing the price of the stockHow do I get the most profit from a one-time sale?1 Public intMaxprofit (int[] prices) {2 if(prices.length==0)return0;3 intMaxprofit=0;4 intMin=prices[0];5 for(inti=0;i)6 {7maxprofit=prices[i]-min>maxprofit?prices[i]-Min:maxprofit;8Min=prices[i]prices[i]:min;9 }Ten One returnMaxprofit; A - -}best time to Buy and Sell
Chrome's own development tool monitors the financial HTTP information and obtains the following methods for obtaining stock data. To Wuliangye as an example, to obtain the latest market, access to data interface:[HTML]http://qt.gtimg.cn/q=sz000858Return Data:[HTML]v_sz000858= "51~ Wuliangye ~000858~27.78~27.60~27.70~417909~190109~227800~27.78~492~27.77~332~27.76~202~27.75~334~27.74 ~291~27.79~305~27.80~570~27.81~269~27.82~448~27.83~127~15:00:13/27.78/
We know that database processing SQL is handled in a way that assumes that the process of buying a product is this:
SQL1: Check Commodity inventory
If (inventory quantity > 0)
{
//Generate order ...
SQL2: Stock-1
}
When there is no concurrency, the above process looks so perfect, suppose that at the same time two people under a single, and inventory only 1, in the SQL1 stage of two people to query the inventory is >0, then eventually
One setting of basic technical analysis parameters I have made some necessary changes to the technical parameters of the Money Dragon dynamic. : 1, EMA system Parameters Day candlestick three 5, 10, 30 is changed to 10, 15, 21. 30 the three 5, 10, 30 is changed to 21, 34, 55 . 60 The three 5, 10, 30 is changed to 10, 30, 60. 2, technical indicator parameters Day candlestick, week candlestick, 30 minutes and 60 Minutes Candlestick chart Macd indicator parameters The is changed from 12,
The third of Technology and economics: about the stock marketEquity is the basic concept of doing business, and not only listed companies can calculate shares. For example, a restaurant is a partner for retaining a competent chef, and a fast-retiring restaurant owner transfers a stake to a successor.Partnership management should be encouraged, and partnership is a postgraduate examination of credit and cooperation ability. Partners must communicate op
Look at THE plate(a) How to see the market on the day of the index to receive yin, Yang Investors look at the market every day, but most people don't see the market. The market is the day to accept Yin, or the sun? I pass a long time record, verification, found that the market in the normal time, Yin, Yang is a regular. The accuracy of my judgment is up to 78.2%. The market to accept Yin, or the sun, directly related to the day's trading stocks. If the market to accept Yin, you buy the
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