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1WITH prices AS ( 2 SELECT date_trunc('day', minute) as day, 3 contract_address, 4 AVG(price) as price 5 FROM prices.usd 6 WHERE minute > '2019-01-01' 7 GROUP BY 1, 2 8) 9SELECT project, 10 date_trunc('month', block_time), 11 SUM(COALESCE( 12 usd_amount, -- Use USD amount directly if available in dex.trades table 13 token_a_amount * a.price, -- If no USD amount multiply token A with USD price 14 token_b_amount * b.price -- Else multiply token B with USD price 15 )) as usd_volume 16FROM dex."trades" t 17LEFT JOIN prices a ON date_trunc('day', block_time) = a.day AND token_a_address = a.contract_address 18LEFT JOIN prices b ON date_trunc('day', block_time) = b.day AND token_b_address = b.contract_address 19WHERE block_time > '2019-01-01' 20AND project != '1inch' 21--AND block_time < date_trunc('month', Now()) -- This line can be added in case you only want to see full months 22GROUP BY 1, 2