After understanding that the previous question is the sum of the largest continuous sub-arrays, this question is much simpler. If it is less than 0, do not add it.
Public class solution {public int maxprofit (INT [] prices) {If (prices. length
Best time to buy and stock Stock II
St indicates that it has lost more than 1 years of*st said that a continuous loss of more than 3 years, and the risk of delisting, at any time may be "delisting" then your money may not be broughtMain Board stock Code Shanghai 60 opening, Shenzhen 000 opening, usually refers to large and medium-sized enterprises; SME Board 002, the beginning of the SME; Gem 300, the beginning of the start, mainly refers to entrepreneurial, high-tech types of enterpris
Say you have an array for whichITh element is the price of a given stock on dayI.
Design an algorithm to find the maximum profit. you may complete as your transactions as you like (ie, buy one and every one share of the stock multiple times ). however, you may not engage in multiple transactions at the same time (ie, you must wait the stock before you buy again )
enlargement. One is the enlargement of profit. It must be a good company, and its profit is constantly increasing, increasing every year. In this way, we will talk about the growth of profitability. Another is the expansion of share capital, which will bring us unexpected income. This is available abroad. Sony was invested in 1950s, and Sony was a small company. Therefore, many Sony stocks were sold to old ladies who sold vegetables. This company has grown up, so now Sony's boss, these old ladi
As a first step, we find the "stock market" App in iphone5s, open it and click on the button in the lower right corner of the Open interface.
The second step, then we go to the "stock" operating interface, we click on the top right button, add a stock symbol:
The third step, such as we now enter "Cny=x", and then we click to select "Cny=x" code, add,
Title DescriptionAn array is known, and the I element represents the price of the stock of day I, you can only trade once (buy and sell each time), design algorithms to find the maximum benefitTest examplesInput: [7, 1, 5, 3, 6, 4]Output: 5最大收益 = 6-1 = 5 (不是7-1 = 6,因为先买后卖,7买,1买亏了6)Input: [7, 6, 4, 3, 1]Output: 0最大收益为0Detailed analysisAt first glance, it's very simple to iterate through an array, select an element at a time, find the maximum value of t
Problem description:
Say you have an array for whichITh element is the price of a given stock on dayI.
Design an algorithm to find the maximum profit. You may complete at mostTwoTransactions.
Note:You may not engage in multiple transactions at the same time (ie, you must encrypt the stock before you buy again ).
Solution:
1 public int maxProfit(int[] prices) { 2 if (prices.length
Trading strategyAn open position is closed when certain expected conditions are reached. Long positions indicate that a trade requires a rise in the price of a financial commodity to generate profit, and a short position indicates that the transaction requires a decline in the financial commodity price to generate profit. In stock trading, long positions are bullish, short positions are bearish and vice versa. (This is very typical in
1. After the stock price fell sharply, the gap between the two sides experienced wide fluctuations.
2. When the stock price is at the bottom, if there are many large orders, the stock price does not rise significantly.
3. The hourly chart goes up and down, and the Commission price is very different.
4. The Commission price is higher than the deal, and the Commiss
Open region:It refers to the first transaction price of the stock after the opening day. If there is no price within 30 minutes after the opening, the previous day's closing price
As the activation region.
Closing price:The price of the last stock in a daily transaction, that is, the closing price.
Maximum price:It refers to the highest price in the deal price on the current day. Sometimes there is on
a strategy can also make a considerable profit, we would say that the method is pure Arbitrage (pure arbitrage), but the threshold of the game, the number of players, the final profit than the street open the shop is still low. Since then there has been a statistical arbitrage intervention, I believe this is the main motive of the question. The biggest difference between the high-frequency trading of statistical arbitrage and the pure arbitrage is that statistical arbitrage allows for a period
stock Data Directional crawler
(1) Objective: To obtain the name and transaction information of all stock in SSE and SSE
Sina Stock: http://finance.sina.com.cn/stock/
Baidu Stock: https://gupiao.baidu.com/stock/
selection Princi
Why stocks are tradingWhy stocks Trading: policy reasons, reasons for the assets reorganization, the reasons for the concept speculation, oversold rebound, plate linkage, the influence of the surrounding market changes; market reversal.Why the stock price to limit: trading from the main capital of the care; limit is the main funds to operate the results of the main fund to achieve the strategic, tactical intentions, one, the exhibition of the effect o
When you have completed the Securities Account card and fund account, open the door of the securities Business Department, see the display screen of the constant flashing stock quotes, perhaps you do not know how to buy and sell stocks. So, let me give you a further introduction. In fact, as a shareholder, you can not directly enter the stock Exchange to buy and sell shares, but only through the
★ 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
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
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,
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