Elrond is the coin from 2019 (ticker is ERD) and their ANN thread is there [ANN] Elrond - Sharded layer one protocol with near instant TX speed.

They swapped from ERD to eGLD in 3rd September. Swap annnoucement

From basic characteristics, they are staking token and the info from their website gives the return from staking:


Price chart. After the swap, price is $17.28 today price is $9.11. 47.3% loss in price after 3 months (needs 4 more days to have 3 months). In 3 months, you get 9 EGLD from staking (9%) so you get loss at the end with 42.5% loss.