While I can imagine that XETR:HFG buisness model can work out for the in the long run, Its headwinds seem to be gathering into a perfect storm against it. Trying to keep it short: (get it?)
Discretionary spending of American and German consumers might be hit hard in the coming months, due to deteriorating economic conditions. People might be inclined to opt for cheaper alternatives, i.e. classical supermarkets.
Sky high P/E ratio
Not paying dividends, low EPS
In an overall environment of rising yields, this is not at all an attractive stock
Chart was almost overbought two weeks ago and is now showing weakness on daily and weekly
All these reasons make it plausible that a retest of 20 within this year is coming. I would post you a picture, but I have not enough street cred on TV to do it :/. Anyway, the Idea is simple: Short it down to 20.