From Reuters: Volume in the PowerShares DB Commodity Index DBC.P ran 40 times the normal level with about 38,000 calls and 1,256 puts traded, according to Trade Alert. The exchange-traded fund tracks the price action of crude oil, heating oil, aluminum, gold, corn and wheat and was up 2.18 percent to $20.58 in afternoon trade.
In the March $21 call strike, 34,180 contracts traded vs 4 contracts of existing open positions. …. Full Article: Source