At this time we do not offer historical data but you can get it through sources such as Quotracker , Esignal or anyone of are quote/charting partners.
Amibroker does not connect directly to us but you are able to use Amitrader with a bridge by Quotracker which is the only way to connect the...
Sorry not quite sure what you are asking but if is gaps within the chart package I would contact quotetracker. If it is something else feel free to contact MB and ask for Sean I will see if I can help you.