If you are looking for a broker to trade options, then do not use Trade King, Options House, Options Express TD Ameritrade, E*Trade, Scott Trade, Charles Schwab or Fidelity. They will charge you through the nose.
Interactive Brokers
no base + 0.70 per contract if premium >0.10
no base + 0.50 per contract if premium >0.05 and <0.10
no base + 0.25 per contract if premium <0.05
No transfer fees
Exante
CME - $1.50 + ???
CBOE - $1.50 + ???
Livevol
$35,000 minimum deposit
$0.65 per contract or $1.50 minimum per trade
No transfer fees
All of the brokerages listed below have account transfers fee in excess of $49.95.
Price gauging bandits
Vanguard - $20.00 base + 1.00 per contract
TD Ameritrade - $9.99 base + 0.75 per contract + $75.00 account transfer fee
E*Trade - $9.99 base + 0.75 per contract
Trade Station
$9.99 + 0.70 per contract for 1-9 trades/month
$7.99 + 0.50 per contract for 10-29 trades/month
Charles Schwab - $8.95 base + 0.75 per contract
Noble Trading - $7.95 base + 1.00 per contract
Fidelity - $7.95 base + 0.75 per contract
Scottrade - $7.00 base + 1.25 per contract
Merrill Edge - $6.95 base + 0.75 per contract
Sogo Trade - $5.00 base + 0.50 per contract
Trade King - $4.95 base + 0.65 per contract
Optionshouse - $4.95 base + 0.50 per contract + $75.00 account transfer fee
Optionsxpress - $4.95 base + 0.50 per contract
eOption - $3.00 base + 0.10 per contract + $65.00 account transfer fee