$BTC $ETH

After the May 11, 2020 halving, Bitcoin started to show a significant increase in price a few months later. Let's detail:

- **May 11, 2020 (halving):** Bitcoin's price was around $8,500.

- **July 2020:** The price began to rise significantly, surpassing $10,000.

- **December 2020:** Bitcoin's price reached about $20,000, hitting its previous record from 2017.

- **2021:** Bitcoin continued to rise, hitting new records throughout the year, culminating in its all-time high in November 2021.

Therefore, after the May 2020 halving, Bitcoin began to rise notably about two months later, in July 2020.