What is the cost of listing a new coin on your exchange?
You can find out about the cost of listing and possible trading pairs on this page
https://eurekax.io/addcoin 700 dollars for listing one trading pair is a reasonable price. What projects have already agreed with you on paid placement?
If there are more than 20,000 traders on the exchange, then this is a good price for listing a new token
It all depends not on the number of registered traders on the platform, but on the daily trading volume.