SPDR Gold Trust (GLD) etf is issued by State Street SPDR in 2004. It is designed to track the spot price of gold bullion. The fund charges 40 basis points a year in fees. The fund is trading near its 52-week high and has been notably up this year. The below chart from Raltin’s Options analytics indicates that the implied volatility (IV) for the 30 Day At The Money (ATM) call is 52-week high of 15%. The ATM straddle premium of 3.3% which implies that the underlying etf has to move 3.3% before it becomes profitable for an ATM straddle buyer.. The put call ratio (based on open interest) is 0.02.