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Question

I'm trying to get a chart of stock opening prices.

I want to use yahoo's data feed for stock data: http://www.gummy-stuff.org/Yahoo-data.htm

Has anyone ever used this? What I want is basically a 1 column table, each row represents one day, and the first column represents the opening price of a particular stock.

How can I query more than just one day?

Answer 1

This is how you could retrieve data and parse it:

$sourceURL = 'http://finance.yahoo.com/d/quotes.csv?s=AAPL&f=snd1lyr';

$sourceData  = file_get_contents( $sourceURL );

// separate into lines
$sourceLines = str_getcsv($sourceData, "\n"); 

foreach( $sourceLines as $line ) {

    $contents = str_getcsv( $line );

    // Now, is an array of the comma-separated contents of a line
}

Update:

Yahoo provides historial data eg for AAPL on this page:

http://de.finance.yahoo.com/q/hp?s=AAPL

At the bottom of the page, you may download the table using this link:

http://ichart.finance.yahoo.com/table.csv?s=AAPL&d=3&e=22&f=2011&g=d&a=8&b=7&c=1984&ignore=.csv

I'd propose to play with the webpage to learn which parameters represent what.

Answer 2

List of parameters according to gummystuff :

a Ask
a2 Average Daily Volume
a5 Ask Size b Bid
b2 Ask (Real-time)
b3 Bid (Real-time) b4 Book Value
b6 Bid Size
c Change & Percent Change c1 Change
c3 Commission
c6 Change (Real-time) c8 After Hours Change (Real-time)
d Dividend/Share
d1 Last Trade Date d2 Trade Date
e Earnings/Share
e1 Error Indication (returned for symbol changed / invalid) e7 EPS Estimate Current Year
e8 EPS Estimate Next Year
e9 EPS Estimate Next Quarter f6 Float Shares
g Day's Low
h Day's High j 52-week Low
k 52-week High
g1 Holdings Gain Percent g3 Annualized Gain
g4 Holdings Gain
g5 Holdings Gain Percent (Real-time) g6 Holdings Gain (Real-time)
i More Info
i5 Order Book (Real-time) j1 Market Capitalization
j3 Market Cap (Real-time)
j4 EBITDA j5 Change From 52-week Low
j6 Percent Change From 52-week Low
k1 Last Trade (Real-time) With Time k2 Change Percent (Real-time)
k3 Last Trade Size
k4 Change From 52-week High k5 Percebt Change From 52-week High
l Last Trade (With Time)
l1 Last Trade (Price Only) l2 High Limit
l3 Low Limit
m Day's Range m2 Day's Range (Real-time)
m3 50-day Moving Average
m4 200-day Moving Average m5 Change From 200-day Moving Average
m6 Percent Change From 200-day Moving Average
m7 Change From 50-day Moving Average m8 Percent Change From 50-day Moving Average
n Name
n4 Notes o Open
p Previous Close
p1 Price Paid p2 Change in Percent
p5 Price/Sales
p6 Price/Book q Ex-Dividend Date
r P/E Ratio
r1 Dividend Pay Date r2 P/E Ratio (Real-time)
r5 PEG Ratio
r6 Price/EPS Estimate Current Year r7 Price/EPS Estimate Next Year
s Symbol
s1 Shares Owned s7 Short Ratio
t1 Last Trade Time
t6 Trade Links t7 Ticker Trend
t8 1 yr Target Price
v Volume v1 Holdings Value
v7 Holdings Value (Real-time)
w 52-week Range w1 Day's Value Change
w4 Day's Value Change (Real-time)
x Stock Exchange y Dividend Yield