Buying DAX now for ten years

For those interested in buying an ETF tracking the DAX, now could be a good opportunity to buy, taking at least half of the corona-drop home.
Keeping the position for a maximum of 10 years:
- Entry price 9300
- Take profit at 16780
16780/9300=180%
1*1,06^10=179%
Earn 6% yearly capital gains on average and get paid an additional 2,5% yearly dividend yield.