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

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

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Check out the script below