Action in Yamana Gold (AUY, news, chart, volatility) continues. The stock saw heavy call buying on more than one occasion last week. Today, shares are down 67 cents to $5.14 after glod fell $44 to $775 an ounce. Sentiment in AUY options remains bullish despite the pullback. 31,000 AUY calls have traded, compared to 2,200 puts. The January 5 calls are the most actives, with 14,600 traded and 88 percent of today’s trading hitting askside. Another 6,130 December 5 calls traded, with 84 percent trading offerside.