![]() ![]() for various IDs to pick out the exact values that should be returned for each metric from Yahoo’s web pages.įor instance here the Gross Profit of 74,754 on has a data-reactid of “114”. So if a method that data scrapes is supposed to be returning you elements of an income statement, it will be searching through the page structure through many div, class, and span tags etc. The methods that HTML scrape gather their data by unofficially scraping the Yahoo Finance website, so their functionality is dependent on Yahoo not changing the layout/design of any of their pages.Īs a quick aside, data scraping works by simply downloading the HTML code of a web page, and searching through all the HTML tags to find the specific elements of a page you want.įor instance below is the Yahoo Finance Amazon (‘AMZN’) Income Statement page: As such, solutions attempting to gather data from Yahoo Finance use a mixture of direct API calls, HTML data scraping and pandas table scraping depending on the function and library/API in question. The Yahoo Finance API is no longer a fully official API, meaning that sometimes it does not provide all the information desired. While we can get access to an impressive range of data, the Yahoo Finance API sometimes lacks the bells and whistles of more specialised APIs.įor instance Alpha Vantage offers fantastic ready made modules that calculate common technical analysis indicators for you- which could save an enormous amount of effort if you want to build a trading model that incorporates any of these!
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