Option Chain is currently not available ... investors can rely on the chain to gauge the stock's performance, monitor its activity, and see prices changes when making an investment decision.

However, because options on that same $500 stock have very different strikes, they also have very different prices. For example: A $475 call will already be $25 in the money, its extrinsic value ...

Stocks: Real-time U.S. stock quotes reflect ... Currency quotes are updated in real-time. Sources: FactSet, Tullett Prebon Commodities & Futures: Futures prices are delayed at least 10 minutes ...