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   • Yahoo finance api not working

     Top Answer

     Answered May 09, 2017 · 0 votes

     I found this problem too. I fix it by using yahoo YQL, but it looks like not as good as using yahoo web service.

     Check all answers on Stack Overflow

     1/5

   • Yahoo Finance URL not working

     Top Answer

     Answered Feb 26, 2021 · 123 votes

     Yahoo has gone to a Reactjs front end which means if you analyze the request headers from the client to the backend you can get the actual JSON they use to populate the client side stores.

     Hosts:

     • query1.finance.yahoo.com HTTP/1.0
     • query2.finance.yahoo.com HTTP/1.1(difference between HTTP/1.0 & HTTP/1.1)

     If you plan to use a proxy or persistent connections use query2.finance.yahoo.com. But for the purposes of this post, the host used for the example URLs is not meant to imply anything about the path it's being used with.

     Fundamental Data

     (substitute your symbol for: AAPL)

     • /v10/finance/quoteSummary/AAPL?modules=

     Inputs for the ?modules=

     query:

     [ 'assetProfile', 'summaryProfile', 'summaryDetail', 'esgScores', 'price', 'incomeStatementHistory', 'incomeStatementHistoryQuarterly', 'balanceSheetHistory', 'balanceSheetHistoryQuarterly', 'cashflowStatementHistory', 'cashflowStatementHistoryQuarterly', 'defaultKeyStatistics', 'financialData', 'calendarEvents', 'secFilings', 'recommendationTrend', 'upgradeDowngradeHistory', 'institutionOwnership', 'fundOwnership', 'majorDirectHolders', 'majorHoldersBreakdown', 'insiderTransactions', 'insiderHolders', 'netSharePurchaseActivity', 'earnings', 'earningsHistory', 'earningsTrend', 'industryTrend', 'indexTrend', 'sectorTrend']-

     Example URL: querying for all of the above modules

     • https://query2.finance.yahoo.com/v10/finance/quoteSummary/AAPL?modules=assetProfile%2CsummaryProfile%2CsummaryDetail%2CesgScores%2Cprice%2CincomeStatementHistory%2CincomeStatementHistoryQuarterly%2CbalanceSheetHistory%2CbalanceSheetHistoryQuarterly%2CcashflowStatementHistory%2CcashflowStatementHistoryQuarterly%2CdefaultKeyStatistics%2CfinancialData%2CcalendarEvents%2CsecFilings%2CrecommendationTrend%2CupgradeDowngradeHistory%2CinstitutionOwnership%2CfundOwnership%2CmajorDirectHolders%2CmajorHoldersBreakdown%2CinsiderTransactions%2CinsiderHolders%2CnetSharePurchaseActivity%2Cearnings%2CearningsHistory%2CearningsTrend%2CindustryTrend%2CindexTrend%2CsectorTrend

     The %2C is the Hex representation of , and needs to be inserted between each module you request. details about the hex encoding bit(if you care)

     Options contracts

     • /v7/finance/options/AAPL (current expiration)
     • /v7/finance/options/AAPL?date=1679011200 (March 17, 2023 expiration)

     Example URL:

     • https://query2.finance.yahoo.com/v7/finance/options/AAPL (current expiration)
     • https://query2.finance.yahoo.com/v7/finance/options/AAPL?date=1679011200 (Match 17, 2023 expiration)

     Any valid future expiration represented as a UNIX timestamp can be used in the ?date= query. If you query for the current expiration the JSON response will contain a list of all the valid expirations that can be used in the ?date= query. (here is a post explaining converting human-readable dates to UNIX timestamp in Python)

     Price

     • /v8/finance/chart/AAPL?symbol=AAPL&period1=0&period2=9999999999&interval=3mo

     Possible inputs for &interval=

     : 1m, 5m, 15m, 30m, 90m, 1h, 1d, 5d, 1wk, 1mo, 3mo

     m (minute) intervals are limited to 30days with period1 and period2 spaning a maximum of 7 days per/request. Exceeding either of these limits will result in an error and will not round

     h (hour) interval is limited to 730days with no limit to span. Exceeding this will result in an error and will not round

     period1=: UNIX timestamp representation of the date you wish to start at.

     d (day), wk (week), mo (month) intervals with values less than the initial trading date will be rounded up to the initial trading date.

     period2=: UNIX timestamp representation of the date you wish to end at.

     For all intervals: values greater than the last trading date will be rounded down to the most recent timestamp available.

     Add pre & post market data

     &includePrePost=true

     Add dividends & splits

     &events=div%7Csplit

     %7C is hex for |. , will work but internally yahoo uses pipe

     Example URL:

     • https://query1.finance.yahoo.com/v8/finance/chart/AAPL?symbol=AAPL&period1=0&period2=9999999999&interval=1d&includePrePost=true&events=div%7Csplit

     The above request will return all price data for ticker AAPL on a 1-day interval including pre and post-market data as well as dividends and splits.

     Note: the values used in the price example URL for period1=

     & period2=

     are to demonstrate the respective rounding behavior of each input.`

     Other Answers

     Answered Nov 20, 2017 · 50 votes

     It looks like they have started adding a required cookie, but you can retrieve this fairly easily, for example:

     GET https://uk.finance.yahoo.com/quote/AAPL/history-

     Responds with the header in the form:

     set-cookie:B=xxxxxxxx&b=3&s=qf; expires=Fri, 18-May-2018 00:00:00 GMT; path=/; domain=.yahoo.com-

     You should be able to read this and attach it to your .csv request:

     GET https://query1.finance.yahoo.com/v7/finance/download/AAPL?period1=1492524105&period2=1495116105&interval=1d&events=history&crumb=tO1hNZoUQeQcookie: B=xxxxxxxx&b=3&s=qf;-

     Note the crumb query parameter, this seems to correspond to your cookie in some way. Your best bet is to scrape this from the HTML response to your initial GET request. Within that response, you can do a regex search for: "CrumbStore":\{"crumb":"(?<crumb>[^"]+)"\} and extract the crumb matched group.

     It looks like once you have that crumb value though you can use it with the same cookie on any symbol/ticker for the next year meaning you shouldn't have to do the scrape too frequently.

     To get current quotes just load:

     https://query1.finance.yahoo.com/v8/finance/chart/AAPL?interval=2m

     With:

     • AAPL substituted with your stock ticker
     • ["interval one of [1m, 2m, 5m, 15m, 30m, 60m, 90m, 1h, 1d, 5d, 1wk, 1mo, 3mo] ",""]
     • ["optional period1 "," query param with your epoch range start date e.g. period1=1510340760 ",""]
     • ["optional period2 "," query param with your epoch range end date e.g. period2=1510663712 ",""]

     Other Answers

     Answered Jun 01, 2017 · 23 votes

     I managed to work out a .NET class to obtain valid token (cookie and crumb) from Yahoo Finance

     For complete API library in fetching historical data from new Yahoo Finance, you may visit YahooFinanceAPI in Github

     Here is the class to grab the cookie and crumb

     Token.cs

     using System;using System.Diagnostics;using System.Net;using System.IO;using System.Text.RegularExpressions;-namespace YahooFinanceAPI{ /// <summary> /// Class for fetching token (cookie and crumb) from Yahoo Finance /// Copyright Dennis Lee /// 19 May 2017 /// /// </summary> public class Token { public static string Cookie { get; set; } public static string Crumb { get; set; }- private static Regex regex_crumb; /// <summary> /// Refresh cookie and crumb value Yahoo Fianance /// </summary> /// <param name="symbol">Stock ticker symbol</param> /// <returns></returns> public static bool Refresh(string symbol = "SPY") {- try { Token.Cookie = ""; Token.Crumb = "";- string url_scrape = "https://finance.yahoo.com/quote/{0}?p={0}"; //url_scrape = "https://finance.yahoo.com/quote/{0}/history"- string url = string.Format(url_scrape, symbol);- HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);- request.CookieContainer = new CookieContainer(); request.Method = "GET";- using (HttpWebResponse response = (HttpWebResponse)request.GetResponse()) {- string cookie = response.GetResponseHeader("Set-Cookie").Split(';')[0];- string html = "";- using (Stream stream = response.GetResponseStream()) { html = new StreamReader(stream).ReadToEnd(); }- if (html.Length < 5000) return false; string crumb = getCrumb(html); html = "";- if (crumb != null) { Token.Cookie = cookie; Token.Crumb = crumb; Debug.Print("Crumb: '{0}', Cookie: '{1}'", crumb, cookie); return true; }- }- } catch (Exception ex) { Debug.Print(ex.Message); }- return false;- }- /// <summary> /// Get crumb value from HTML /// </summary> /// <param name="html">HTML code</param> /// <returns></returns> private static string getCrumb(string html) {- string crumb = null;- try { //initialize on first time use if (regex_crumb == null) regex_crumb = new Regex("CrumbStore\":{\"crumb\":\"(?<crumb>.+?)\"}", RegexOptions.CultureInvariant | RegexOptions.Compiled, TimeSpan.FromSeconds(5));- MatchCollection matches = regex_crumb.Matches(html);- if (matches.Count > 0) { crumb = matches[0].Groups["crumb"].Value; } else { Debug.Print("Regex no match"); }- //prevent regex memory leak matches = null;- } catch (Exception ex) { Debug.Print(ex.Message); }- GC.Collect(); return crumb;- }- }}-

     Updated 1 Jun 17 credits to @Ed0906 modify crumb regex pattern to Regex("CrumbStore\":{\"crumb\":\"(?<crumb>.+?)\"}"

     Check all answers on Stack Overflow

     2/5

   • Yahoo Finance API / URL not working: Python fix for Pandas DataReader

     Top Answer

     Answered May 25, 2017 · 0 votes

     I have followed the steps in https://pypi.python.org/pypi/fix-yahoo-finance to: $ pip3 install fix_yahoo_finance --upgrade --no-cache-dir and also upgraded pandas_datareader to be sure.

     The "fix-yahoo-finance 0.0.6" worked well, for example BHP.AX:

     from pandas_datareader import data as pdrimport fix_yahoo_financedata = pdr.get_data_yahoo('BHP.AX', start='2017-04-23', end='2017-05-24')

     Note that the order of the last 2 data columns are 'Adj Close' and 'Volume' ie. not the previous format. For my purpose, they are reset to the original format:

     cols = ['Date', 'Open', 'High', 'Low', 'Close', 'Volume', 'Adj Close']data.reindex(columns=cols)

     Check all answers on Stack Overflow

     3/5

   • Yahoo Finance Historical data downloader url is not working

     Top Answer

     Answered May 18, 2017 · 6 votes

     Got it to work, now I just have to parse the csv. Thought I'd share since I was having trouble with the syntax.

     Dim crumb As String: crumb = "xxxx"Dim cookie As String: cookie = "yyyy"-Dim urlStock As String: urlStock = "https://query1.finance.yahoo.com/v7/finance/download/SIRI?" & _ "period1=1274158800&" & _ "period2=1495059477&" & _ "interval=1d&events=history&crumb=" & crumbDim http As MSXML2.XMLHTTP: Set http = New MSXML2.ServerXMLHTTPhttp.Open "GET", urlStock, Falsehttp.setRequestHeader "Cookie", cookiehttp.send

     Other Answers

     Answered Nov 20, 2017 · 50 votes

     It looks like they have started adding a required cookie, but you can retrieve this fairly easily, for example:

     GET https://uk.finance.yahoo.com/quote/AAPL/history-

     Responds with the header in the form:

     set-cookie:B=xxxxxxxx&b=3&s=qf; expires=Fri, 18-May-2018 00:00:00 GMT; path=/; domain=.yahoo.com-

     You should be able to read this and attach it to your .csv request:

     GET https://query1.finance.yahoo.com/v7/finance/download/AAPL?period1=1492524105&period2=1495116105&interval=1d&events=history&crumb=tO1hNZoUQeQcookie: B=xxxxxxxx&b=3&s=qf;-

     Note the crumb query parameter, this seems to correspond to your cookie in some way. Your best bet is to scrape this from the HTML response to your initial GET request. Within that response, you can do a regex search for: "CrumbStore":\{"crumb":"(?<crumb>[^"]+)"\} and extract the crumb matched group.

     It looks like once you have that crumb value though you can use it with the same cookie on any symbol/ticker for the next year meaning you shouldn't have to do the scrape too frequently.

     To get current quotes just load:

     https://query1.finance.yahoo.com/v8/finance/chart/AAPL?interval=2m

     With:

     • AAPL substituted with your stock ticker
     • ["interval one of [1m, 2m, 5m, 15m, 30m, 60m, 90m, 1h, 1d, 5d, 1wk, 1mo, 3mo] ",""]
     • ["optional period1 "," query param with your epoch range start date e.g. period1=1510340760 ",""]
     • ["optional period2 "," query param with your epoch range end date e.g. period2=1510663712 ",""]

     Other Answers

     Answered Jun 01, 2017 · 23 votes

     I managed to work out a .NET class to obtain valid token (cookie and crumb) from Yahoo Finance

     For complete API library in fetching historical data from new Yahoo Finance, you may visit YahooFinanceAPI in Github

     Here is the class to grab the cookie and crumb

     Token.cs

     using System;using System.Diagnostics;using System.Net;using System.IO;using System.Text.RegularExpressions;namespace YahooFinanceAPI{ /// <summary> /// Class for fetching token (cookie and crumb) from Yahoo Finance /// Copyright Dennis Lee /// 19 May 2017 /// /// </summary> public class Token { public static string Cookie { get; set; } public static string Crumb { get; set; } private static Regex regex_crumb; /// <summary> /// Refresh cookie and crumb value Yahoo Fianance /// </summary> /// <param name="symbol">Stock ticker symbol</param> /// <returns></returns> public static bool Refresh(string symbol = "SPY") { try { Token.Cookie = ""; Token.Crumb = ""; string url_scrape = "https://finance.yahoo.com/quote/{0}?p={0}"; //url_scrape = "https://finance.yahoo.com/quote/{0}/history" string url = string.Format(url_scrape, symbol); HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.CookieContainer = new CookieContainer(); request.Method = "GET"; using (HttpWebResponse response = (HttpWebResponse)request.GetResponse()) { string cookie = response.GetResponseHeader("Set-Cookie").Split(';')[0]; string html = ""; using (Stream stream = response.GetResponseStream()) { html = new StreamReader(stream).ReadToEnd(); } if (html.Length < 5000) return false; string crumb = getCrumb(html); html = ""; if (crumb != null) { Token.Cookie = cookie; Token.Crumb = crumb; Debug.Print("Crumb: '{0}', Cookie: '{1}'", crumb, cookie); return true; } } } catch (Exception ex) { Debug.Print(ex.Message); } return false; } /// <summary> /// Get crumb value from HTML /// </summary> /// <param name="html">HTML code</param> /// <returns></returns> private static string getCrumb(string html) { string crumb = null; try { //initialize on first time use if (regex_crumb == null) regex_crumb = new Regex("CrumbStore\":{\"crumb\":\"(?<crumb>.+?)\"}", RegexOptions.CultureInvariant | RegexOptions.Compiled, TimeSpan.FromSeconds(5)); MatchCollection matches = regex_crumb.Matches(html); if (matches.Count > 0) { crumb = matches[0].Groups["crumb"].Value; } else { Debug.Print("Regex no match"); } //prevent regex memory leak matches = null; } catch (Exception ex) { Debug.Print(ex.Message); } GC.Collect(); return crumb; } }}

     Updated 1 Jun 17 credits to @Ed0906 modify crumb regex pattern to Regex("CrumbStore\":{\"crumb\":\"(?<crumb>.+?)\"}"

     Check all answers on Stack Overflow

     4/5

   • Yahoo / Google finance JSON not working in Chrome

     Top Answer

     Answered Aug 31, 2016 · 0 votes

     I have alternate solution using WebClient, call this method using ajax to convert currency

     public JsonResult convertCurrencyUsingGoogle(decimal amount, string from, string to) { try { WebClient WebClient = new WebClient(); from = from.ToUpper(); to = to.ToUpper(); try { var CurrencyQuery = new StringBuilder(); CurrencyQuery.Append("https://www.google.com/finance/converter"); CurrencyQuery.AppendFormat("?a={0}", amount); CurrencyQuery.AppendFormat("&from={0}", from); CurrencyQuery.AppendFormat("&to={0}", to); string response = WebClient.DownloadString(CurrencyQuery.ToString()); //response returns as page var responsestring = response.Split(new string[] { "class=bld>" }, StringSplitOptions.None); // get element which contains money var finalresponse = responsestring[1].Split(new string[] { to }, StringSplitOptions.None); // split curreny type return Json(String.Format("{0:G29}", Convert.ToDecimal(finalresponse[0].Trim()))); //return currency } catch (Exception e) { return Json("error"); } } catch (Exception e) { return Json("error"); } }

     Check all answers on Stack Overflow

     5/5

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   • Category: Financeapplication

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