Hi Andrew, I use Pro real time through IG, can't say I've ever had a problem with their charting facilities. I primarily day trade, but also run my SIPP and use IG's charts to make assist me in making and monitoring my investments.
Regards, Rob
I do and can highly recommend it. But you have to be a bit careful with your PC, they recommend to use it with Google Chrome and it is important to have good RAM memory.
Otherwise you can have minor problems, ie after opening a lot of charts, the drawing facilities (lines, Fibonaccis, etc) either don't work anymore or at the time of closing the platform you are not able to save your work.
Apart from that, I can not remember any problems in more than two years I have been using it. Just one more point, it cost 30,- EUR a month for the basic package (forex + indexes) but you get it for free if you do more than four trades a month. Make sure you cancel the subscription if you are planning to go on holidays or not trading for a while. The money goes out the first day of the month and you don't get it back if you cancel the subscription during that month. The cancellation is only valid for the following month.
If you want to use it concretly for shares, you have to pay the the add-ons (DAX, S&P, etc) as well. You can look at the prices and trading conditions (number of trades to get it free) on your account settngs, but if I remember correctly it is around 20,- EUR a month for DAX shares (check because some are included already in the main package - Lufthansa for example). Then it was 5,- EUR for IBEX shares and 1,- EUR for each Nasdaq, S&P and Dow. But better you check the current prices on the site. They have a nice table there with all the information.
Hope this helps.