SELECT
PROJECT_NAME,
COUNT(DISTINCT BUYER_ADDRESS) AS UniqueBuyers,
COUNT(DISTINCT SELLER_ADDRESS) AS UniqueSellers,
CAST(COUNT(DISTINCT BUYER_ADDRESS) AS FLOAT) / COUNT(DISTINCT SELLER_ADDRESS) AS BuyerSellerRatio
FROM aptos.nft.ez_nft_sales
GROUP BY PROJECT_NAME
limit 10;