Investors in VanEck Vectors ETF Trust - Gold Miners ETF (GDX) saw new options begin trading today, for the November 15th expiration. One of the key inputs that goes into the price an option buyer is willing to pay, is the time value, so with 213 days until expiration the newly trading contracts represent a potential opportunity for sellers of puts or calls to achieve a higher premium than would be available for the contracts with a closer expiration..