Download the master list from following URL and then do Control+F to find your desired ETF. http://www.nyse.com/screener/export.php?all=1 This looks good (avg daily vol 26M+) http://www.google.com/finance?q=UNG Cheers,
That's a tough one to trade with the contango. The November futures were trading at 4.11 versus 2.71 for the September futures (51% difference). GAS is a popular one though.
I don't know about GAS but take a look at UNG You might not want to be going long natural gas at this time however.
GAZ is and ETN UNG is and ETF (a partnership - u get a k-1 if u own it) http://www.wangshappytrading.com/2009/08/21/bizarre-mismatch-between-ung-and-gaz/