Üst cevabı takip ettim ve yahoo finansına bakmaya başladım. API'larına birkaç farklı yoldan erişilebilir, ancak burada CSV olarak stok bilgilerini almak için güzel bir referans buldum: http://www.jarloo.com/
Bunu kullanarak bu senaryoyu yazdım. Ben gerçekten yakut biri değilim ama bu birlikte bir şeyler yapmanıza yardımcı olabilir. Henüz yahoo'nun sunduğu tüm alanlar için değişken isimler bulmadım, böylece ihtiyacınız varsa bunları doldurabilirsiniz.
İşte kullanımı
TICKERS_SP500 = "GICS,CIK,MMM,ABT,ABBV,ACN,ACE,ACT,ADBE,ADT,AES,AET,AFL,AMG,A,GAS,APD,ARG,AKAM,AA,ALXN,ATI,ALLE,ADS,ALL,ALTR,MO,AMZN,AEE,AAL,AEP,AXP,AIG,AMT,AMP,ABC,AME,AMGN,APH,APC,ADI,AON,APA,AIV,AAPL,AMAT,ADM,AIZ,T,ADSK,ADP,AN,AZO,AVGO,AVB,AVY,BHI,BLL,BAC,BK,BCR,BAX,BBT,BDX,BBBY,BBY,BIIB,BLK,HRB,BA,BWA,BXP,BSX,BMY,BRCM,BFB,CHRW,CA,CVC,COG,CAM,CPB,COF,CAH,HSIC,KMX,CCL,CAT,CBG,CBS,CELG,CNP,CTL,CERN,CF,SCHW,CHK,CVX,CMG,CB,CI,XEC,CINF,CTAS,CSCO,C,CTXS,CLX,CME,CMS,COH,KO,CCE,CTSH,CL,CMA,CSC,CAG,COP,CNX,ED,STZ,GLW,COST,CCI,CSX,CMI,CVS,DHI,DHR,DRI,DVA,DE,DLPH,DAL,XRAY,DVN,DO,DTV,DFS,DG,DLTR,D,DOV,DOW,DPS,DTE,DD,DUK,DNB,ETFC,EMN,ETN,EBAY,ECL,EIX,EW,EA,EMC,EMR,ENDP,ESV,ETR,EOG,EQT,EFX,EQIX,EQR,ESS,EL,ES,EXC,EXPE,EXPD,ESRX,XOM,FFIV,FB,FDO,FAST,FDX,FIS,FITB,FSLR,FE,FISV,FLIR,FLS,FLR,FMC,FTI,F,FOSL,BEN,FCX,FTR,GME,GCI,GPS,GRMN,GD,GE,GGP,GIS,GM,GPC,GNW,GILD,GS,GT,GOOG,GWW,HAL,HBI,HOG,HAR,HRS,HIG,HAS,HCA,HCP,HCN,HP,HES,HPQ,HD,HON,HRL,HSP,HST,HCBK,HUM,HBAN,ITW,IR,TEG,INTC,ICE,IBM,IP,IPG,IFF,INTU,ISRG,IVZ,IRM,JEC,JNJ,JCI,JOY,JPM,JNPR,KSU,K,KEY,GMCR,KMB,KIM,KMI,KLAC,KSS,KRFT,KR,LB,LLL,LH,LRCX,LM,LEG,LEN,LVLT,LUK,LLY,LNC,LLTC,LMT,L,LO,LOW,LYB,MTB,MAC,M,MNK,MRO,MPC,MAR,MMC,MLM,MAS,MA,MAT,MKC,MCD,MHFI,MCK,MJN,MWV,MDT,MRK,MET,KORS,MCHP,MU,MSFT,MHK,TAP,MDLZ,MON,MNST,MCO,MS,MOS,MSI,MUR,MYL,NDAQ,NOV,NAVI,NTAP,NFLX,NWL,NFX,NEM,NWSA,NEE,NLSN,NKE,NI,NE,NBL,JWN,NSC,NTRS,NOC,NRG,NUE,NVDA,ORLY,OXY,OMC,OKE,ORCL,OI,PCAR,PLL,PH,PDCO,PAYX,PNR,PBCT,POM,PEP,PKI,PRGO,PFE,PCG,PM,PSX,PNW,PXD,PBI,PCL,PNC,RL,PPG,PPL,PX,PCP,PCLN,PFG,PG,PGR,PLD,PRU,PEG,PSA,PHM,PVH,QEP,PWR,QCOM,DGX,RRC,RTN,RHT,REGN,RF,RSG,RAI,RHI,ROK,COL,ROP,ROST,RCL,R,CRM,SNDK,SCG,SLB,SNI,STX,SEE,SRE,SHW,SIAL,SPG,SWKS,SLG,SJM,SNA,SO,LUV,SWN,SE,STJ,SWK,SPLS,SBUX,HOT,STT,SRCL,SYK,STI,SYMC,SYY,TROW,TGT,TEL,TE,THC,TDC,TSO,TXN,TXT,HSY,TRV,TMO,TIF,TWX,TWC,TJX,TMK,TSS,TSCO,RIG,TRIP,FOXA,TSN,TYC,USB,UA,UNP,UNH,UPS,URI,UTX,UHS,UNM,URBN,VFC,VLO,VAR,VTR,VRSN,VZ,VRTX,VIAB,V,VNO,VMC,WMT,WBA,DIS,WM,WAT,ANTM,WFC,WDC,WU,WY,WHR,WFM,WMB,WIN,WEC,WYN,WYNN,XEL,XRX,XLNX,XL,XYL,YHOO,YUM,ZMH,ZION,ZTS,SAIC,AP"
AllData = loadStockInfo(TICKERS_SP500, allParameters())
SpecificData = loadStockInfo("GOOG,CIK", "ask,dps")
loadStockInfo, SpecificData ["GOOG"] ["name"] "Google Inc." olacak şekilde bir karma döndürür.
Son olarak, gerçek kodu çalıştırmak için ...
require 'net/http'
# Jack Franzen & Garin Bedian
# Based on http://www.jarloo.com/yahoo_finance/
$parametersData = Hash[[
["symbol", ["s", "Symbol"]],
["ask", ["a", "Ask"]],
["divYield", ["y", "Dividend Yield"]],
["bid", ["b", "Bid"]],
["dps", ["d", "Dividend per Share"]],
#["noname", ["b2", "Ask (Realtime)"]],
#["noname", ["r1", "Dividend Pay Date"]],
#["noname", ["b3", "Bid (Realtime)"]],
#["noname", ["q", "Ex-Dividend Date"]],
#["noname", ["p", "Previous Close"]],
#["noname", ["o", "Open"]],
#["noname", ["c1", "Change"]],
#["noname", ["d1", "Last Trade Date"]],
#["noname", ["c", "Change & Percent Change"]],
#["noname", ["d2", "Trade Date"]],
#["noname", ["c6", "Change (Realtime)"]],
#["noname", ["t1", "Last Trade Time"]],
#["noname", ["k2", "Change Percent (Realtime)"]],
#["noname", ["p2", "Change in Percent"]],
#["noname", ["c8", "After Hours Change (Realtime)"]],
#["noname", ["m5", "Change From 200 Day Moving Average"]],
#["noname", ["c3", "Commission"]],
#["noname", ["m6", "Percent Change From 200 Day Moving Average"]],
#["noname", ["g", "Day’s Low"]],
#["noname", ["m7", "Change From 50 Day Moving Average"]],
#["noname", ["h", "Day’s High"]],
#["noname", ["m8", "Percent Change From 50 Day Moving Average"]],
#["noname", ["k1", "Last Trade (Realtime) With Time"]],
#["noname", ["m3", "50 Day Moving Average"]],
#["noname", ["l", "Last Trade (With Time)"]],
#["noname", ["m4", "200 Day Moving Average"]],
#["noname", ["l1", "Last Trade (Price Only)"]],
#["noname", ["t8", "1 yr Target Price"]],
#["noname", ["w1", "Day’s Value Change"]],
#["noname", ["g1", "Holdings Gain Percent"]],
#["noname", ["w4", "Day’s Value Change (Realtime)"]],
#["noname", ["g3", "Annualized Gain"]],
#["noname", ["p1", "Price Paid"]],
#["noname", ["g4", "Holdings Gain"]],
#["noname", ["m", "Day’s Range"]],
#["noname", ["g5", "Holdings Gain Percent (Realtime)"]],
#["noname", ["m2", "Day’s Range (Realtime)"]],
#["noname", ["g6", "Holdings Gain (Realtime)"]],
#["noname", ["k", "52 Week High"]],
#["noname", ["v", "More Info"]],
#["noname", ["j", "52 week Low"]],
#["noname", ["j1", "Market Capitalization"]],
#["noname", ["j5", "Change From 52 Week Low"]],
#["noname", ["j3", "Market Cap (Realtime)"]],
#["noname", ["k4", "Change From 52 week High"]],
#["noname", ["f6", "Float Shares"]],
#["noname", ["j6", "Percent Change From 52 week Low"]],
["name", ["n", "Company Name"]],
#["noname", ["k5", "Percent Change From 52 week High"]],
#["noname", ["n4", "Notes"]],
#["noname", ["w", "52 week Range"]],
#["noname", ["s1", "Shares Owned"]],
#["noname", ["x", "Stock Exchange"]],
#["noname", ["j2", "Shares Outstanding"]],
#["noname", ["v", "Volume"]],
#["noname", ["a5", "Ask Size"]],
#["noname", ["b6", "Bid Size"]],
#["noname", ["k3", "Last Trade Size"]],
#["noname", ["t7", "Ticker Trend"]],
#["noname", ["a2", "Average Daily Volume"]],
#["noname", ["t6", "Trade Links"]],
#["noname", ["i5", "Order Book (Realtime)"]],
#["noname", ["l2", "High Limit"]],
#["noname", ["e", "Earnings per Share"]],
#["noname", ["l3", "Low Limit"]],
#["noname", ["e7", "EPS Estimate Current Year"]],
#["noname", ["v1", "Holdings Value"]],
#["noname", ["e8", "EPS Estimate Next Year"]],
#["noname", ["v7", "Holdings Value (Realtime)"]],
#["noname", ["e9", "EPS Estimate Next Quarter"]],
#["noname", ["s6", "evenue"]],
#["noname", ["b4", "Book Value"]],
#["noname", ["j4", "EBITDA"]],
#["noname", ["p5", "Price / Sales"]],
#["noname", ["p6", "Price / Book"]],
#["noname", ["r", "P/E Ratio"]],
#["noname", ["r2", "P/E Ratio (Realtime)"]],
#["noname", ["r5", "PEG Ratio"]],
#["noname", ["r6", "Price / EPS Estimate Current Year"]],
#["noname", ["r7", "Price / EPS Estimate Next Year"]],
#["noname", ["s7", "Short Ratio"]
]]
def replaceCommas(data)
s = ""
inQuote = false
data.split("").each do |a|
if a=='"'
inQuote = !inQuote
s += '"'
elsif !inQuote && a == ","
s += "#"
else
s += a
end
end
return s
end
def allParameters()
s = ""
$parametersData.keys.each do |i|
s = s + i + ","
end
return s
end
def prepareParameters(parametersText)
pt = parametersText.split(",")
if !pt.include? 'symbol'; pt.push("symbol"); end;
if !pt.include? 'name'; pt.push("name"); end;
p = []
pt.each do |i|
p.push([i, $parametersData[i][0]])
end
return p
end
def prepareURL(tickers, parameters)
urlParameters = ""
parameters.each do |i|
urlParameters += i[1]
end
s = "http://download.finance.yahoo.com/d/quotes.csv?"
s = s + "s=" + tickers + "&"
s = s + "f=" + urlParameters
return URI(s)
end
def loadStockInfo(tickers, parametersRaw)
parameters = prepareParameters(parametersRaw)
url = prepareURL(tickers, parameters)
data = Net::HTTP.get(url)
data = replaceCommas(data)
h = CSVtoObject(data, parameters)
logStockObjects(h, true)
end
#parse csv
def printCodes(substring, length)
a = data.index(substring)
b = data.byteslice(a, 10)
puts "printing codes of string: "
puts b
puts b.split('').map(&:ord).to_s
end
def CSVtoObject(data, parameters)
rawData = []
lineBreaks = data.split(10.chr)
lineBreaks.each_index do |i|
rawData.push(lineBreaks[i].split("#"))
end
#puts "Found " + rawData.length.to_s + " Stocks"
#puts " w/ " + rawData[0].length.to_s + " Fields"
h = Hash.new("MainHash")
rawData.each_index do |i|
o = Hash.new("StockObject"+i.to_s)
#puts "parsing object" + rawData[i][0]
rawData[i].each_index do |n|
#puts "parsing parameter" + n.to_s + " " +parameters[n][0]
o[ parameters[n][0] ] = rawData[i][n].gsub!(/^\"|\"?$/, '')
end
h[o["symbol"]] = o;
end
return h
end
def logStockObjects(h, concise)
h.keys.each do |i|
if concise
puts "(" + h[i]["symbol"] + ")\t\t" + h[i]["name"]
else
puts ""
puts h[i]["name"]
h[i].keys.each do |p|
puts " " + $parametersData[p][1] + " : " + h[i][p].to_s
end
end
end
end