For January 2019, my account return is 1.4% vs. 8.0% of benchmark SPY. Since inception 06/30/2017, my account return is 12.98% vs. 14.87% of benchmark SPY and monthly maximum drawdown is -5.9% vs. -8.8% of SPY.
Why buy IAU (iShares Gold Trust) instead of GLD (SPDR Gold Trust)? IAU is a very similar ETF to GLD in that it tracks physical gold bullion. The advantage is that it has lower expense ratio, which is 0.25% vs. 0.40% for GLD.