Titanium Metals (TIE) sees high call volume for a second time this week. 8,050 calls and 500 puts traded on the stock Monday. Open interest in calls on TIE increased by 2,906 contacts, compared to 293 puts, after Monday’s activity. Shares are off 17 cents to $15.85 and today’s flow includes a multi-exchange sweep of 3,710 Dec 16 calls at the 90-cent asking price. A customer bought-to-open the position, according to data from one of the exchanges. 6,224 now traded. Jan 15 puts, Dec 18 calls, Dec 15 puts, and Jan 17.5 calls on Titanium Metals are seeing interest as well. Meanwhile, implied volatility in the options on the stock is up 15 percent to 57, as some players in the options market seem to be bracing for a move in the underlying in the weeks ahead. Earnings were reported on Nov 3. Shares lost 6.1 percent on the news and have seen choppy action since that time.