CBOE maintains indexes that track the level of implied volatility from single SPX maturities.
Ticker VIN (VINX on Bloomberg):
Nearer term SPX expiration used in VIX calculation
Farther term SPX expiration used in VIX calculation
Trade options, stocks, futures + forex all on thinkorswim from TD Ameritrade.
Trade with TradeStation. Voted best for options traders by Barron's 2015
Get OptionStation Pro. Analyze and trade options spreads efficiently from one window.
TradeStation is Ranked #1. Get options pricing for your style. Learn more
Lightspeed Trading offers free access to the Livevol X options trading platform