select sum(amount_usd) as stablecoin_volume, date_trunc('day', block_timestamp::date) as TIME
from ethereum.core.ez_token_transfers
where origin_to_address = '0xa0c68c638235ee32657e8f720a23cec1bfc77c77'
and block_timestamp > CURRENT_DATE -180
and symbol in ('USDC','USDT', 'DAI')
group by TIME