The GMI new promotion is a 30% Bonus where 500 USD is given as a higher bonus amount. As the bonus is a deposit bonus so you are required to make a deposit to start it, you are also having the bonus on all your deposit that you made. Just begin now by the link below, and keep in mind there is another 15% Deposit Bonus added where you can get up to 5000 USD.
Direct Campaign Link: 30% Forex Deposit Bonus Up to $500
Obtainable for: All Traders
Durability for: Unlimited Timing
How to get the 30% deposit bonus up to 500 USD?
* Make an account on GMI
* Deposit the required amount of money
* Get their additional bonus
* Use their MT4 platform to get access to your credits
* Continue having the 15% Bonus on all deposits 
Keep in mind to understand the Terms & Conditions of the bonus*