ETF Symbol: Price 27.6 Volume 99000 Avg Vol 403730 RSf 86.8 $Vol(21d) 13m 52 wk High 28.07 52 wk Low 23.94 (as of 2010-09-09) Total Returns: 1 day 0.4% 5 day -0.5% 1 month 0.2% 3 month 9.1% 6 month 9.0% 9 month 13.1% 1 year 14.5%   Compare Funds: Correlated Group: US Brd Mkt (View cGroup) (All Groups)

Correlated Funds

Most Correlated   Least Correlated iShares JPMorgan USD Emerging Markets Bond Fu EMB 0.88 ProShares Short QQQ PSQ -0.49 iShares S&P U.S. Preferred Stock Index Fund PFF 0.75 ProShares UltraShort MSCI EAFE EFU -0.49 PowerShares CEF Income Composite Portfolio PCEF 0.74 ProShares UltraPro Short Dow30 SDOW -0.49 PowerShares High Yield Corporate Bond Portfol PHB 0.72 ProShares UltraPro Short QQQ SQQQ -0.49 PowerShares Preferred PGX 0.71 ProShares UltraShort MSCI Europe EPV -0.49 PowerShares Financial Preferred Portfolio PGF 0.71 ProShares Short MSCI EAFE EFZ -0.49 iShares iBoxx $ High Yield Corporate Bond Fun HYG 0.65 ProShares Short MSCI Emerging Mkts EUM -0.50 Claymore/AlphaShares China Small Cap HAO 0.60 Direxion Emerging Markets Bear 3X Shares EDZ -0.50 SPDR Barclays High Yield Bond JNK 0.60 ProShares UltraShort MSCI Emerging Mkts EEV -0.50 PowerShares DWA Em Mkts Technical Ldrs PIE 0.57 CurrencyShares Japanese Yen Trust FXY -0.53

These 126 day (6 month) correlations can be considered short term, focusing on recent price movements. Correlations are only calculated for actively traded funds. As of: 2010-09-03.

Exchange-traded funds are similar to index funds that trade like a single stock. Until the advent of the ETF, it was impossible to trade indexes this easily through an equity account. Most ETFs are relatively static in make-up, like the SPY or QQQQ index funds. Others, like some of the PowerShares funds, are dynamic and the holdings are changed routinely. ETFs have risks similar to stocks in that their value can rise or fall at the discretion of the marketplace. Some ETFs, like international funds and narrowly based indexes, have special risks that the investor should be aware of. However, used properly ETFs can provide an efficient and effective investment vehicle for achieving results that were near impossible for the typical investor to achieve prior to their development.