The stimulus is based on the last filed tax return. You should get it based on the 2018 tax return if you filed that, otherwise it is based on the 2019 return. If the 2019 is being processed then the data has not been processed yet so the stimulus does not know about it yet.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
