
Each brokerage uses its own allocation process. According to Barron's:
E-Trade allocates shares proportionally based on the size of a client's conditional offer.
Robinhood uses a random selection process to determine recipients.
SoFi considers factors such as account assets, direct deposits, prior participation in offerings and compliance with its IPO-flipping policy, which discourages investors from selling newly acquired IPO shares within the first 30 days.