hour::date as eth_date,

avg(price) as eth_usd

from ethereum.core.fact_hourly_token_prices

where token_address = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2' -- WETH

group by 1),

aeth_price as (select

hour::date as aeth_date,

avg(price) as aeth_usd

from ethereum.core.fact_hourly_token_prices

where token_address = '0x3a3a65aab0dd2a17e3f1947ba16138cd37d08c04' -- aETH

group by 1),

diff as (select

eth_date,

(aeth_usd - eth_usd) as diff_with_eth

from eth_price join aeth_price on eth_date = aeth_date)

select avg(diff_with_eth) from diff