The staking pool of NBX has historically had an average yearly reward to delegators of over 4% but this has dropped gradually in 2023 and at the start of 2024 the yield is expected to be around 3%. The annual rewards will vary depending on many variables such as on how much ADA is delegated to the staking pool. Over time, rewards are likely to be somewhere around 3% annually as of current data. You can read more about rewards estimates here.
