subscribe market data? LDK options?

I am trying to look at the options of LDK. But IB doesn't let me access the market data. IB lets me to order the market data! Who knows the details? It's the market data free?
Thanks!

所有跟帖： 

• free on TD, old data can be accessed from yahoo -lapyap- ♂ (0 bytes) () 10/09/2007 postreply 08:34:51

• THX! They fixed it after my call. I called the service dept -math100- ♂ (0 bytes) () 10/09/2007 postreply 08:59:55