SELECT sum(balance)/COUNT(DISTINCT user_address) as avg_eth, sum(amount_usd)/COUNT(DISTINCT user_address) as avg_amount_usd
from ethereum.erc20_balances
WHERE user_address IN (SELECT DISTINCT from_address FROM ethereum.core.fact_transactions WHERE to_address = lower('0x881D40237659C251811CEC9c364ef91dC08D300C'))
AND contract_address = 'ETH' AND balance_date = CURRENT_DATE