The iSharesSilver Trust ETF (NYSE: SLV ) is the most popular, trading more than 10 million shares per day and with nearly $10 billion in assets under management. We spelled out those concerns in this article, and thoughthe Fed 's bold $1 trillion move hasn't led to ruinousinflation just yet, many inflation hawks have been loading up on gold and silver -- just in case. Action to Take --> These ETFs provide exposure to the metals and the miners and typically carry expense loads that are far lower thanmutual funds focused on thisasset class .