The 10 Most Massive SPDR ETFs On The Market by InsiderMonkey.comAugust 31, 2013April 15, 202001100 No. 2 SPDR Gold Trust (ETF) (NYSEARCA:GLD) GLD data by YCharts Assets Under Management: $40.2 million The Index the ETF tracks: Gold Bullion Average trading volume: $10.5 million Year-to-date return: -18.5% 1 2 3 4 5 6 7 8 9 10 11