Stish has uploaded a video to Youtube which outlines how to use Soraredata to find players who are in a dip of form / value to purchase them before their price goes on a positive run.
Check it out here and be sure to follow Stish on Youtube HERE
If you're new to Sorare and haven't signed up yet, you can use my referral link and you'll be awarded a bonus FREE limited card when you win your first 5 auctions! You'll also help me in the process! https://sorare.pxf.io/Stish