Web.Yahoo.Finance.YQL

This module contains methods for accessing the Yahoo Finance YQL APIs.

Fetch Stock Quotes

getQuotes :: YQLQuery -> ClientM YQLResponse

General client API to access Yahoo financial data. Quotes are returned in the order they are queried.

yahooFinanceJsonBaseUrl :: BaseUrl

BaseUrl for the Yahoo Finance YQL API. This represents https://finance.yahoo.com.

Types

data YQLQuery

Query for yahoo finance api.

Constructors

YQLQuery

Fields

• yqlQuery :: [StockSymbol]

Instances

Eq YQLQuery

Methods

(==) :: YQLQuery -> YQLQuery -> Bool

(/=) :: YQLQuery -> YQLQuery -> Bool

Show YQLQuery

Methods

showsPrec :: Int -> YQLQuery -> ShowS

show :: YQLQuery -> String

showList :: [YQLQuery] -> ShowS

Generic YQLQuery

Associated Types

type Rep YQLQuery :: * -> *

Methods

from :: YQLQuery -> Rep YQLQuery x

to :: Rep YQLQuery x -> YQLQuery

ToHttpApiData YQLQuery

Automate a simple YQL query.

>>> toUrlPiece $ YQLQuery [StockSymbol "GOOG", StockSymbol "YHOO"]
"select * from yahoo.finance.quotes where symbol in (\"GOOG\",\"YHOO\")"

Methods

toUrlPiece :: YQLQuery -> Text

toHeader :: YQLQuery -> ByteString

toQueryParam :: YQLQuery -> Text

type Rep YQLQuery

type Rep YQLQuery = D1 (MetaData "YQLQuery" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.0-8MCekYKnfwRCWdhJb4W7Es" False) (C1 (MetaCons "YQLQuery" PrefixI True) (S1 (MetaSel (Just Symbol "yqlQuery") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [StockSymbol])))

newtype StockSymbol

Use this type to encode toUrlPiece or toText (depending on Servant version) for queries.

Constructors

StockSymbol

Fields

• unStockSymbol :: Text

Instances

Eq StockSymbol

Methods

(==) :: StockSymbol -> StockSymbol -> Bool

(/=) :: StockSymbol -> StockSymbol -> Bool

Ord StockSymbol

Methods

compare :: StockSymbol -> StockSymbol -> Ordering

(<) :: StockSymbol -> StockSymbol -> Bool

(<=) :: StockSymbol -> StockSymbol -> Bool

(>) :: StockSymbol -> StockSymbol -> Bool

(>=) :: StockSymbol -> StockSymbol -> Bool

max :: StockSymbol -> StockSymbol -> StockSymbol

min :: StockSymbol -> StockSymbol -> StockSymbol

Show StockSymbol

Methods

showsPrec :: Int -> StockSymbol -> ShowS

show :: StockSymbol -> String

showList :: [StockSymbol] -> ShowS

Generic StockSymbol

Associated Types

type Rep StockSymbol :: * -> *

Methods

from :: StockSymbol -> Rep StockSymbol x

to :: Rep StockSymbol x -> StockSymbol

ToHttpApiData StockSymbol

Surround StockSymbol with double quotes.

>>> toUrlPiece (StockSymbol "GOOG")
"\"GOOG\""

Methods

toUrlPiece :: StockSymbol -> Text

toHeader :: StockSymbol -> ByteString

toQueryParam :: StockSymbol -> Text

ToHttpApiData [StockSymbol]

Connect separate StockSymbols with a comma.

>>> toUrlPiece ([StockSymbol "GOOG", StockSymbol "YHOO", StockSymbol "GSPC"] :: [StockSymbol])
"\"GOOG\",\"YHOO\",\"GSPC\""

Methods

toUrlPiece :: [StockSymbol] -> Text

toHeader :: [StockSymbol] -> ByteString

toQueryParam :: [StockSymbol] -> Text

type Rep StockSymbol

type Rep StockSymbol = D1 (MetaData "StockSymbol" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.0-8MCekYKnfwRCWdhJb4W7Es" True) (C1 (MetaCons "StockSymbol" PrefixI True) (S1 (MetaSel (Just Symbol "unStockSymbol") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)))

data YQLResponse

Response from a YQL query.

Constructors

YQLResponse

Fields

• responseCount :: Int
• responseCreated :: UTCTime
• responseLang :: Text
• responseQuotes :: [Maybe Quote]

Instances

Eq YQLResponse

Methods

(==) :: YQLResponse -> YQLResponse -> Bool

(/=) :: YQLResponse -> YQLResponse -> Bool

Read YQLResponse

Methods

readsPrec :: Int -> ReadS YQLResponse

readList :: ReadS [YQLResponse]

readPrec :: ReadPrec YQLResponse

readListPrec :: ReadPrec [YQLResponse]

Show YQLResponse

Methods

showsPrec :: Int -> YQLResponse -> ShowS

show :: YQLResponse -> String

showList :: [YQLResponse] -> ShowS

Generic YQLResponse

Associated Types

type Rep YQLResponse :: * -> *

Methods

from :: YQLResponse -> Rep YQLResponse x

to :: Rep YQLResponse x -> YQLResponse

FromJSON YQLResponse

Methods

parseJSON :: Value -> Parser YQLResponse

parseJSONList :: Value -> Parser [YQLResponse]

type Rep YQLResponse

type Rep YQLResponse = D1 (MetaData "YQLResponse" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.0-8MCekYKnfwRCWdhJb4W7Es" False) (C1 (MetaCons "YQLResponse" PrefixI True) ((:*:) ((:*:) (S1 (MetaSel (Just Symbol "responseCount") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Int)) (S1 (MetaSel (Just Symbol "responseCreated") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 UTCTime))) ((:*:) (S1 (MetaSel (Just Symbol "responseLang") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "responseQuotes") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [Maybe Quote])))))

data Quote

Quote data received from YQL.

Constructors

Quote

Fields

• quoteAverageDailyVolume :: Text
• quoteChange :: Text
• quoteDaysLow :: Text
• quoteDaysHigh :: Text
• quoteYearLow :: Text
• quoteYearHigh :: Text
• quoteMarketCapitalization :: Text
• quoteLastTradePriceOnly :: Text
• quoteDaysRange :: Text
• quoteName :: Text
• quoteSymbol :: Text
• quoteVolume :: Text
• quoteStockExchange :: Text

Instances

Eq Quote

Methods

(==) :: Quote -> Quote -> Bool

(/=) :: Quote -> Quote -> Bool

Read Quote

Methods

readsPrec :: Int -> ReadS Quote

readList :: ReadS [Quote]

readPrec :: ReadPrec Quote

readListPrec :: ReadPrec [Quote]

Show Quote

Methods

showsPrec :: Int -> Quote -> ShowS

show :: Quote -> String

showList :: [Quote] -> ShowS

Generic Quote

Associated Types

type Rep Quote :: * -> *

Methods

from :: Quote -> Rep Quote x

to :: Rep Quote x -> Quote

FromJSON Quote

Methods

parseJSON :: Value -> Parser Quote

parseJSONList :: Value -> Parser [Quote]

type Rep Quote

type Rep Quote = D1 (MetaData "Quote" "Web.Yahoo.Finance.YQL.Internal.Types" "yahoo-finance-api-0.2.0.0-8MCekYKnfwRCWdhJb4W7Es" False) (C1 (MetaCons "Quote" PrefixI True) ((:*:) ((:*:) ((:*:) (S1 (MetaSel (Just Symbol "quoteAverageDailyVolume") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) ((:*:) (S1 (MetaSel (Just Symbol "quoteChange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "quoteDaysLow") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)))) ((:*:) (S1 (MetaSel (Just Symbol "quoteDaysHigh") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) ((:*:) (S1 (MetaSel (Just Symbol "quoteYearLow") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "quoteYearHigh") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text))))) ((:*:) ((:*:) (S1 (MetaSel (Just Symbol "quoteMarketCapitalization") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) ((:*:) (S1 (MetaSel (Just Symbol "quoteLastTradePriceOnly") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "quoteDaysRange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)))) ((:*:) ((:*:) (S1 (MetaSel (Just Symbol "quoteName") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "quoteSymbol") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text))) ((:*:) (S1 (MetaSel (Just Symbol "quoteVolume") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)) (S1 (MetaSel (Just Symbol "quoteStockExchange") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Text)))))))