The yield earned via Stablegains will most likely be considered interest income by the IRS. In this case you'd have an obligation as an earner of interest to report your income earned from Stablegains to the IRS.
We provide you with the information you need to report the right taxes.
The information is shared in your 2021 year review summary. Anyone who used Stablegains throughout 2021 was sent an email at the start of January 2022 with this summary. Search for "Your 2021 year summary from Stablegains" in your inbox. If you don't have the email, please write to us on firstname.lastname@example.org and we will send you a copy.
In that summary you will find the exact yield earned with Stablegains during 2021. This is the amount you need to report on the relevant tax form.
While we would love to help and give more clarity, we cannot provide specific tax advice. You should consult with your tax advisor for direction on which form to use.