Safeway (SWY) adds 41 cents to $21.64 and a multi-exchange sweep of 5,000 Feb 20 puts on the stock for 30 cents per contract is an opening customer buyer, according to data from the ISE. 5,420 traded against 142 in open interest. Implied volatility in SWY options is up 8.5 percent to 25, as some investors might be looking to hedge recent gains in the underlying. The stock is up 34.6 percent since 9/23. Earnings due around Feb 23 and possibly outside the February expiration.