• ## June 7, 2022

Time：2022-7-12

Alert Intraday trading should be independent. You can communicate during breaks. You should learn to judge by yourself. Now it’s not a big fund. It’s fake to always see what others buy and how much others earn. Never bid. I don’t have that ability at present. You can wait for the opening, and hit the […]

• ## Leetcode: the best time to buy and sell stocks

Time：2022-6-30

order This paper mainly studies the best time for leetcode to buy and sell stocks subject Given an array, its ith element is the price of a given stock on the ith day. If you are only allowed to complete one transaction at most (i.e. buy and sell a stock once), design an algorithm to […]

• ## R use lasso regression to predict stock returns

Time：2022-6-19

Original link:http://tecdat.cn/?p=4228 Original source:Tuoduan data tribe official account Use lasso to forecast revenue 1. examples As long as there are financial economists, financial economists have been looking for variables that can predict stock returns. For some recent examples, consider jegadeesh and Titman (1993), which shows that the current return of stocks is predicted by the […]

• ## R language back test transaction: create stock return curve based on historical signals / transactions

Time：2022-6-7

Original link: http://tecdat.cn/?p=23808 This article describes how to create stock curves based on historical signals / transactions. Let’s take the historical signals of mark timing and decision moose as examples to create a stock curve for this strategy. #***************************************************************** #Load signal #***************************************************************** #Extract transaction history temp = extract.table.from.webpage(txt, ‘Transaction History’, has.header = F) temp = trim(temp\[-1,2:5\])   colnames(temp) = spl(‘id,date,name,equity’)    tickers = toupper(trim(gsub(‘\\\)’,”, sapply(temp\[,’name’\], spl, ‘\\\(‘))))\[2,\] load(file=filename)     #plota(make.xts(info\$equity, info\$date), type=’l’) […]

• ## Algorithm – how to get the maximum return from stock trading

Time：2022-4-20

As a leek who has earned several months’ salary from a sideline, he is obviously very good at this kind of problem, but in practice, he often doesn’t know the future price of the stock, so he needs to predict, and your real offer will actually affect the stock in turn, so no one can […]

• ## Historical data – stock tools

Time：2022-4-13

Historical data – stock tool, which shares a m-fee stock historical data download tool. It is an online tool. The test can download the historical data of all a shares, Hong Kong stocks and US stocks. Excel is more convenient Download in two steps: Fill in stock code and email Receive the stock market historical […]

• ## Idea plugin, write a plug-in to see the stock index and K-line

Time：2022-3-6

Author: Xiao Fu GeBlog:https://bugstack.cn Precipitate, share and grow, so that you and others can gain something! 1、 Foreword No move, don’t write something exciting, you’re always not good-looking! Before, I didn’t understand. The technology written is the technical content, and the scene written is the scene analysis. But from the readers’ reading, I find that […]

• ## Put the stock pool selected by bigquant into radish investment research with one click

Time：2022-3-2

I’m bored at home during the holiday. I finished putting the stock pool selected by bigquant into radish investment research with one click to check its recent research report program for your reference import requests This work adoptsCC agreement, reprint must indicate the author and the link to this article

• ## Forecast stock

Time：2022-2-22

Project address:https://github.com/zhangsheng377/emotion-predict-stock Completed items Use crawlers to crawl investors’ comments on stocks. (at present, people’s comments on Xiaomi on snowball) Do emotional analysis on people’s comments and get the emotional score of the comments. (factory mode is used to obtain emotion analysis model, and snownlp is currently used) The crawled data and emotional scores are […]

• ## Leetcode No.122 best time to buy and sell stock II easy (c + + implementation)

Time：2021-12-23

1. Title 1.1 English title You are given an array prices where prices[i] is the price of a given stock on the ith day. Find the maximum profit you can achieve. You may complete as many transactions as you like (i.e., buy one and sell one share of the stock multiple times). Note: You may […]

• ## Daily recommendation 07.04

Time：2021-12-19

Share the popular excellent foreign designs and open your eyes every day; Number four groups, accumulate a little every day to improve design aesthetics# Applet #ui 01. The most popular UI design of weather application https://www.uplabs.com/posts/most-trending-ui-design-for-weather-app 02. NFT mobile application UI design https://www.uplabs.com/posts/nft-mobile-app-ui-design 03. Stock application exploration – Adobe XD https://www.uplabs.com/posts/stocks-app-exploration-adobe-xd-330f6f25-4e6b-46cc-b844-4df7e387c047 04. Clothing – App […]

• ## Leetcode-121 – the best time to buy and sell stocks

Time：2021-12-17

The best time to buy and sell stocks Title Description: given an array of prices, its ith element prices [i] represents the price of a given stock on day I. You can only choose to buy this stock one day and sell it on a different day in the future. Design an algorithm to calculate […]