Guys scottrade lets u do pre/after market trading as well.. what are the hours for TD Ameritrade?
Extended Trading Hours
Pre-Market trading is from 8:00 a.m. – 9:15 a.m. ET on selected NASDAQ and Listed securities, Monday through Friday on days when the market is open. After-Hours trading is from 4:15 p.m. to 8:00 p.m. Eastern Time on selected NASDAQ and Listed securities, Monday through Friday on days when the market is open.
On any day, extended hours (Pre-Market and/or After-Hours) trading may be unavailable, delayed, interrupted, or terminated early without any prior notice. When the regular trading session closes at 1:00 p.m. ET, After-Hours trading will generally be offered from 1:15 p.m. to 5:00 p.m. Eastern Time.
You may place Buy or Sell orders. Selling short is not available in Extended Hours trading. Extended hours trading is not available on days when the market is closed."