Add portfolio holdings manually by entering lots or by linking your online brokerage account. You can have it request price data every couple of seconds and log that into a daily time series database. Welcome to My Portfolio - Link your brokers or add lots Track your overall performance in one place. Copy the link of the video by right clicking the video and click on. One python package that I find pretty handy and is ystockquote Open Twitter in a new tab and find the tweet with the video you would like to download. You can also write scripts to track price data as fast as your internet goes. I wouldn't be surprised if you could employ similar methods on other Price Data-related websites. To arrive at that URL initially though, without having any idea for guessing / reverse-engineering it, I simply went here and used Developer Tools on my browser and tracked a background GET request which led me to that URL. The URL convention appears easy to input on your own once you have a list of Ticker Symbols and an understanding of the consistent syntax. Similar to the Yahoo data URL that you shared, Bloomberg maintains 1-Day Intraday Price information in JSON format like this : I have found that the most affordable way to gather Intraday Stock Price data is to develop automated scripts that log price information for whenever the markets are open. Evidently, the browser is sending some secret sauce to the Yahoo server.Historical minute data is not as easily accessible as we all would like. The download works fine when invoked manually through the browser, so it's not like Yahoo Finance is trying to prevent access to the data. (converted from warning) cannot open URL '': HTTP status was '401 Unauthorized' When I try to read this resource from within R I get the following: > url = '' For example, here is the URL to obtain the maximum history for IBM (as of today, ): Earlier this year, Apple made a change to how it distributes. The 99 barrier to entry, though, has been removed. Yahoo Finance recently changed its historical data URLs from http to https. Youll need to have an Apple ID or account thats enrolled in the Developer Program.
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