You can check the status of all of the people that have used your referral code by entering your referral hub.
To enter your referral hub click ‘get free trades’. Here you will be able to see all information about your referrals, which includes:
The friends you have referred
The rewards you have currently received and their expiry date
Pending referrals so you can remind your friends to fund their accounts
Past referrals that have already expired