After nearly three months of consolidating in a flat base, shares of the SPDR Gold Trust (GLD) exchange traded fund broke out above a 317.63 buy point in a four-month chart pattern on Aug. 29. Since then, the fund has surged well past its buy zone. It's making it difficult for investors to establish new positions at current levels. With shares of SPDR Gold Trust trading around 352, investors can create a call ratio spread by buying one 380- strike call while selling two 390 calls, both with an expiration of ...