Yes, e.g. the Bund is 5 ticks away from the market. Lagging several minutes. And the volume really is not that high. Regards Bernd Kuerbs
If you go high enough up the customer service chain they will give you a credit. Just let them know that this has been going on for 3 months, and stay firm with them, letting them know that this has been an unacceptable period time to have an unresolved problem.