Let's review the price of Gold during the 2009 crisis

Gold history increased more than 1000 prices
Necessary & sufficient conditions
1. create wedges
2. make 2 or 3 bottoms
2. recovery between fibo zone 0.382 & 0.5
3. the first days of May

Then exactly 10 years later, in May 2019 gold continued to establish a bottom

Check out the script below