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 Dow Down 0.57% Nasdaq Down 0.33%
Western Digital Corp. (WDC)On Dec 30: 30.95  Down 0.15 (0.48%)  

Key StatisticsGet Key Statistics for:
Data provided by Capital IQ, except where noted.
Valuation Measures 
Market Cap (intraday)5:7.24B
Enterprise Value (Jan 1, 2012)3:3.82B
Trailing P/E (ttm, intraday):9.49
Forward P/E (fye Jul 1, 2013)1:5.75
PEG Ratio (5 yr expected)1:0.86
Price/Sales (ttm):0.74
Price/Book (mrq):1.27
Enterprise Value/Revenue (ttm)3:0.39
Enterprise Value/EBITDA (ttm)6:2.59
Financial Highlights 
Fiscal Year
Fiscal Year Ends:Jul 1
Most Recent Quarter (mrq):Sep 30, 2011
Profitability
Profit Margin (ttm):7.82%
Operating Margin (ttm):8.80%
Management Effectiveness
Return on Assets (ttm):6.70%
Return on Equity (ttm):14.44%
Income Statement
Revenue (ttm):9.82B
Revenue Per Share (ttm):42.39
Qtrly Revenue Growth (yoy):12.40%
Gross Profit (ttm):1.79B
EBITDA (ttm)6:1.47B
Net Income Avl to Common (ttm):768.00M
Diluted EPS (ttm):3.26
Qtrly Earnings Growth (yoy):21.30%
Balance Sheet
Total Cash (mrq):3.68B
Total Cash Per Share (mrq):15.72
Total Debt (mrq):263.00M
Total Debt/Equity (mrq):4.60
Current Ratio (mrq):2.52
Book Value Per Share (mrq):24.46
Cash Flow Statement
Operating Cash Flow (ttm):1.62B
Levered Free Cash Flow (ttm):479.50M
View Financials
Income Statement - Balance Sheet - Cash Flow

Trading Information 
Stock Price History
Beta:1.15
52-Week Change3:-9.34%
S&P500 52-Week Change3:-1.12%
52-Week High (Apr 21, 2011)3:41.87
52-Week Low (Oct 20, 2011)3:22.64
50-Day Moving Average3:29.38
200-Day Moving Average3:30.35
Share Statistics
Avg Vol (3 month)3:5,289,600
Avg Vol (10 day)3:2,041,710
Shares Outstanding5:233.79M
Float:232.74M
% Held by Insiders1:0.30%
% Held by Institutions1:87.00%
Shares Short (as of Dec 15, 2011)3:5.80M
Short Ratio (as of Dec 15, 2011)3:1.10
Short % of Float (as of Dec 15, 2011)3:2.50%
Shares Short (prior month)3:3.82M
Dividends & Splits
Forward Annual Dividend Rate4:N/A
Forward Annual Dividend Yield4:N/A
Trailing Annual Dividend Yield3:N/A
Trailing Annual Dividend Yield3:N/A
5 Year Average Dividend Yield4:N/A
Payout Ratio4:N/A
Dividend Date3:N/A
Ex-Dividend Date4:N/A
Last Split Factor (new per old)2:2:1
Last Split Date3:Jun 4, 1997

See Key Statistics Help for definitions of terms used.
Abbreviation Guide: K = Thousands; M = Millions; B = Billions
mrq = Most Recent Quarter (as of Sep 30, 2011)
ttm = Trailing Twelve Months (as of Sep 30, 2011)
yoy = Year Over Year (as of Sep 30, 2011)
lfy = Last Fiscal Year (as of Jul 1, 2011)
fye = Fiscal Year Ending
1 Data provided by Thomson Reuters
2 Data provided by EDGAR Online
3 Data derived from multiple sources or calculated by Yahoo! Finance
4 Data provided by Morningstar, Inc.
5 Shares outstanding is taken from the most recently filed quarterly or annual report and Market Cap is calculated using shares outstanding.
6 EBITDA is calculated by Capital IQ using methodology that may differ from that used by a company in its reporting

Currency in USD.