Gold was first used as money in 600BC and 2400yrs later an ETF was launched.

 was first used as money in 2010 and 11yrs later an ETF was launched.

Gold price ⏫ 4.45x in 7yrs after ETF launch.

 price after ETF launch?

4.45x in 11/2400yrs =  1.67 days.