Red Hat (RHT, news, chart) is seeing 13 times its normal trading volume, with 18,000 calls and 2,200 puts trading on the day. Most of the action is in the January 22.5 and 25 calls, and seems to be mostly closing call selling into today’s move higher in RHT. The stock is up 60 cents to $22.60 and the Jan. 22.5s are the most actives, with 10,800 contracts traded and only 38 percent of that volume trading offerside. Open interest is 74,477. Meanwhile, 5,730 of the 25s have traded, with only 31 percent trading offerside. Open interest in that contract is 26,594.