These days a range of unofficial APIs and libraries exist to access the same data, including of course yfinance. Yahoo Finance used to have their own official API, but this was decommissioned on May 15th 2017, following wide-spread misuse of data. It also offers market news, reports and analysis and additionally options and fundamentals data- setting it apart from some of it’s competitors. Yahoo Finance offers an excellent range of market data on stocks, bonds, currencies and cryptocurrencies.
empty printfn "Symbol download %s succeeded.Yfinance is a popular open source library developed by Ran Aroussi as a means to access the financial data available on Yahoo Finance.
| _ -> printfn "Symbol %s download failed, retrying." symbol Array. ToString() + "&interval=1d&events=history&crumb=" + crumb. Round( DateTimeToUnixTimestamp( endDate), 0). Round( DateTimeToUnixTimestamp( startDate), 0). Let url2 = "" + symbol + "?period1=" + Math. Let regexCrumb = new Regex( "CrumbStore \" :", CookieContainer HttpWebResponse let cookie = response.
Create ( url1) :?> HttpWebRequest request. TotalSeconds let GetHistoricalData symbol ( startDate : DateTime) ( endDate : DateTime) = let url1 = new Uri( "" + symbol + "/history?p=" + symbol) Let DateTimeToUnixTimestamp ( dateTime : DateTime) = RegularExpressions let UnixTimestampToDateTime unixTimeStamp = DateTime( 1970, 1, 1, 0, 0, 0, 0, DateTimeKind. Routine for downloading Yahoo! Finance data as a tuple consisting of a symbol name and data matrix. Like the snippet! Download Yahoo! Finance data
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