Question: What are the IDs starting with "PID" next to each position on cTrader platform?
It is an Unique order ID for each position distributed by cTrader platform.
The ID can be used for when identifying positions among others.
When you inquire your brokers for specific positions, you may need to provide this number so the brokers can identify the order immediately.
For information of each order, you can find out by yourself in the “Position Tab” at the bottom of platform.