Eldorado Gold (EGO) is down 3 cents to $16.88 on the session and options action is heating up in the Vancouver-based gold miner. Recent trades include a multi-exchange sweep of 2,878 Dec 18 calls at 41 cents when the market was 30 to 35 cents. Another sweep of Dec 18 calls traded at 30 cents when the market was 25 to 30 cents. 7,437 now traded against 9,832 in open interest, which is the second biggest position in the name. Meanwhile, implied volatility in the options on EGO is up 7 percent to 53 and data indicate some closing buyers in upside calls on the stock Tuesday.