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yahoo-finance-api: Read quotes from Yahoo Finance API.

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Haskell wrapper for the stock APIs provided by Yahoo Finance.

UPDATE: It appears that yahoo disabled the quote API used by this pakcage. This package is no longer usable. See this issue.

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Versions [RSS] 0.1.0.0, 0.2.0.0, 0.2.0.1, 0.2.0.2, 0.2.0.3
Dependencies aeson, base (>=4.7 && <5), either, http-api-data, http-client, mtl, servant (>=0.4), servant-client (>=0.4), text, time, transformers, vector [details]
License BSD-3-Clause
Copyright 2016 Dennis Gosnell
Author Dennis Gosnell, James M.C. Haver II
Maintainer cdep.illabout@gmail.com, mchaver@gmail.com
Category Web
Home page https://github.com/cdepillabout/yahoo-finance-api
Source repo head: git clone https://github.com/cdepillabout/yahoo-finance-api
Uploaded by cdepillabout at 2017-11-26T04:09:44Z
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Reverse Dependencies 1 direct, 0 indirect [details]
Downloads 3479 total (11 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2017-11-26 [all 1 reports]

Readme for yahoo-finance-api-0.2.0.3

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Web.Yahoo.Finance

Build Status Hackage Stackage LTS Stackage Nightly

UPDATE: It appears that Yahoo disabled the quote API this package is using. This package is no longer usable. See this issue.

This Haskell module exports functions for reading stock quotes from the Yahoo Finance APIs.

Usage

Currently, only the Yahoo Finance YQL API is implemented. It can be accessed with methods in Web.Yahoo.Finance.YQL.

(Note: The following usage example only works when using servant-0.9.)

λ> :set -XOverloadedStrings
λ> import Network.HTTP.Client.TLS (getGlobalManager)
λ> import Servant.Client (ClientEnv(ClientEnv), runClientM)
λ> import Web.Yahoo.Finance.YQL (StockSymbol(StockSymbol), YQLQuery(YQLQuery), getQuotes, yahooFinanceJsonBaseUrl)
λ> manager <- getGlobalManager
λ> res <- runClientM (getQuotes (YQLQuery [StockSymbol "GOOG", StockSymbol "AA"]) ) (ClientEnv manager yahooFinanceJsonBaseUrl)
λ> print res

This produces output like the following:

Right
  ( YQLResponse
    { responseCount = 2
    , responseCreated = 2016-10-09 13:44:49 UTC
    , responseLang = "en-US"
    , responseQuotes =
      [ Just
        ( Quote
          { quoteAverageDailyVolume = "1296480"
          , quoteChange = "-1.78"
          , quoteDaysLow = "770.75"
          , quoteDaysHigh = "779.66"
          , quoteYearLow = "639.01"
          , quoteYearHigh = "789.87"
          , quoteMarketCapitalization = "532.69B"
          , quoteLastTradePriceOnly = "775.08"
          , quoteDaysRange = "770.75 - 779.66"
          , quoteName = "Alphabet Inc."
          , quoteSymbol = "GOOG"
          , quoteVolume = "933158"
          , quoteStockExchange = "NMS"
          }
        )
      , Just
        (Quote
          { quoteAverageDailyVolume = "5999180"
          , quoteChange = "-0.41"
          , quoteDaysLow = "31.03"
          , quoteDaysHigh = "32.10"
          , quoteYearLow = "18.42"
          , quoteYearHigh = "34.50"
          , quoteMarketCapitalization = "41.26B"
          , quoteLastTradePriceOnly = "31.37"
          , quoteDaysRange = "31.03 - 32.10"
          , quoteName = "Alcoa Inc. Common Stock"
          , quoteSymbol = "AA"
          , quoteVolume = "7858603"
          , quoteStockExchange = "NYQ"
          }
        )
      ]
    }
  )

For other examples refer to test/Web/Yahoo/FinanceSpec.hs.