To receive an animated badge for Upheaval Ranked, you must match your Split 1 Rank in Split 2.

https://x.com/Respawn/status/1795975599837896963

For example:

• You are Gold in Split 1 and Gold in Split 2 -> You will receive an animated Gold badge and other Gold rewards
• You are Gold in Split 1 and Platinum in Split 2-> You will receive a static Platinum badge and other Platinum rewards
• You are Gold in Split 1 and Silver in Split 2 -> You will receive a static Gold badge and other Gold rewards