) are lower on the session by 0.01%, currently trading at $132.61. The stock has been moving largely higher over the past six months and is currently trading above the 50-day and 200-day moving averages. Options traders are buying calls on the name today. A short while ago the October 2011 $145.00 call was purchased 680 times, on the offer, on open interest of 1,384 contracts. Overall call volume is now running at 2.36x the daily average with 83% of all calls traded being purchases on the offer. AvalonBay Communities, Inc. is a real estate investment trust. The company is engaged in the development, redevelopment, acquisition, ownership and operation of multifamily communities in high barrier to entry markets of the United States.