Yes, there are position limits
What are the applicable position limits for each instrument?
Refer to these
Not all instruments listed in the specification sheet will be available for trading. For a complete list of available instruments check our trading platform.
What happens when I exceed the position limits ?
On the trading platform, when you open a new trade, you will get a notification about reaching the volume limit or exceeding maximum order size. You won’t be able to execute that trade.