How to opt out of the promotion? If you wish to not participate in the Invite a Friend promotion, you can contact our customer care team and we’ll assist you further. Related articles Invite Your Friends, Get Free Fractional Shares Why didn't I get a free fractional share after referring someone? Why can't I see a referral link to invite people? What do I get by using a Trading 212 promo code? How can I use a promo code?