X ETFs
- XBI - SPDR S&P Biotech ETF
- XES - SPDR S&P Oil & Gas Equip & Service
- XGC - Claymore/BNY Mellon International Small Cap LDRs ETF
- XHB - SPDR Homebuilders ETF
- XLB - Materials Select Sector SPDR
- XLE - SPDR Select Sector Fund - Energy Select Sector
- XLF - SPDR Select Sector Fund - Financial
- XLG - Rydex Russell Top 50 ETF
- XLI - SPDR Select Sector Fund - Industrial
- XLK - SPDR Select Sector Fund - Technology
- XLP - SPDR Select Sector Fund - Consumer Staples
- XLU - SPDR Select Sector Fund - Utilities
- XLV - SPDR Select Sector Fund - Health Care
- XLY - SPDR Select Sector Fund - Consumer Discretionary
- XME - SPDR S&P Metals & Mining ETF
- XOP - SPDR S&P Oil & Gas Explor & Product
- XPH - SPDR S&P Pharmaceuticals ETF
- XPP - ProShares Ultra FTSE/Xinhua China 25
- XRO - Claymore/Zacks Sector Rotation ETF
- XRT - SPDR S&P Retail ETF
- XRU - CurrencyShares Russian Ruble Trust
- XSD - SPDR S&P Semiconductor ETF
