Before I look at those though, it’s worthwhile pointing out that there already is a function in quantmod for retrieving Option Chain data from Yahoo! What I am doing here is thus more for my own personal edification (but hopefully you will find it interesting too! An Option Chain is just a list of all available options for a particular security spanning a range of expiration dates.
First we need to load a few packages which facilitate the downloading, parsing and manipulation of the data. Somewhat disturbingly the JSON data from Google Finance does not appear to be fully compliant with the JSON standards because the keys are not quoted.
There are websites for this purpose where you can go and maintain your portfolio but in that case you always need to keep open a separate tab on browser.
Or you move away from your current ongoing work or social media page like Facebook to check your portfolio.
App For Stock Prices is another extension of Google Chrome to watch real time information and updates from financial market.
Google Sheets is an online cloud-based service that allows users to create, edit and collaborate on spreadsheets online and offline.
Interestingly, that article appears to be a close adaption of another article which does the same thing using Python.
While playing around with the code from these articles I noticed a couple of things that might benefit from minor tweaks.
Other than these extensions, you can use Forecastica to predict the stock prices for next 12 days.Both sites consistently rank among the top 15 most popular personal finance websites and are quite similar in the financial information they provide. Finance is nearly twice as popular as Google Finance. Finance at an estimated 70 million unique visitors each month while Google Finance is well behind at 40 million. Finance in pole position while Google Finance is number four behind MSN Money (65 million unique monthly visitors) and CNN Money (50 million). Finance has a better look, feel and much more content. devotes much more time and description to its Finance offerings. Finance has a stated mission to help users make informed investment decisions regarding investments and financial markets.It provides financial data, market information and a wide array of applications to help users obtain detailed and current market information.It is fair to say that the Internet has revolutionized many industries, but the financial services industry comes to mind as one that has been most profoundly affected. (Ready to see how good you'd be at playing the market?Thanks to the Internet, millions of investors are able to analyze markets on their own, which has served to disintermediate them from brokers and professional money managers. Check out Investopedia's article, "How Do You Use Stock Simulators? Finance and Google Finance operate popular financial websites that provides stock quotes, financial market news and general business news. bills its Finance portal as its industry-leading business and financial news product, and the service has evolved from its desktop origins to utilize the mobile internet and mobile apps.So here is the list of Google Chrome Extensions for financial market. Stock Tracker Once installed, the Stock Tracker badge will appear near to the address bar of the browser where you can the current stock price of the selected stock. To get “Options” panel, right click on the badge and select “options”. It can show you the current index price of S&P500, NASDAQ, Dow Jones etc. For the recent price of major currencies and live global indices, commodities prices are visible through this extension of Google Chrome. Global Index Watch – Stock Prices Again, to have global indices current price, up-down graphs etc., you can use Global Index Watch extension on Google Chrome.