US ETF with most active options

https://www.barchart.com/options/most-active/stocks


 QQQ Nasdaq QQQ ETF
 SPY S&P 500 SPDR
 GLD Gold SPDR
 XBI S&P Biotech SPDR
 XLK S&P 500 Info Tech Sector SPDR
 XLF S&P 500 Financials Sector SPDR
 FXI   China Large-Cap Ishares ETF
 GDX Gold Miners Vaneck ETF
 IWM Russell 2000 Ishares ETF
 XLE S&P 500 Energy Sector SPDR
 XOP S&P Oil & Gas Expl & Prod SPDR
 IBB Nasdaq Biotechnology Ishares ETF
 XLV S&P 500 Healthcare Sector SPDR
 XLI S&P 500 Industrial Sector SPDR
 USO US Oil Fund
 XLU S&P 500 Utilities Sector SPDR
 XRT S&P Retail SPDR
 SLV Silver Trust Ishares
 DIA DOW Industrials SPDR
 TQQQ Ultrapro QQQ Proshares
 EWZ Brazil Ishares MSCI ETF
 GDXJ Junior Gold Miners ETF Vaneck
 EEM Emerging Markets Ishares MSCI ETF
 FXE Euro Trust PS Currencyshares
 XHB S&P Homebuilders SPDR





Ticker Fund Open Interest
SPY         SPDR S&P 500 ETF Trust 17,771,528
EEM iShares MSCI Emerging Markets ETF 6,635,087
QQQ PowerShares QQQ Trust 6,488,055
IWM iShares Russell 2000 ETF 4,529,522
XLF Financial Select Sector SPDR Fund 3,886,407
USO United States Oil Fund LP 3,502,854
GLD SPDR Gold Trust 2,942,741
EFA     iShares MSCI EAFE ETF 2,541,963
XOP SPDR S&P Oil & Gas Exploration & Production ETF 2,385,889
EWZ iShares MSCI Brazil Capped ETF 2,198,495
FXI   iShares China Large-Cap ETF 2,071,668
SLV  iShares Silver Trust 1,680,438