If you use Neteller or Skrill for withdrawing funds from your account then the least amount will be $2. But in some cases it varies depends on your preferred payment methods. Just like, If you want to use your Bank Card or Credit card, the amount will be $10 and if you want to use your Bank Account then at least $6 should be withdrawn.
One the other hand, if you want to use Internal Transfer options then you can withdraw at least $1 from your trading account. More information can be found here – www.exness.com
To know more about how to withdraw funds from your trading account, then please read this documented tutorial of Exness Withdrawal.