Okay, so you know how sometimes adults trade things like stocks and bonds on the stock market to make money? Well, they also trade something called "futures" which is like a promise to buy or sell something at a certain price in the future.
Now, some people might want to trade futures for things like foreign currencies (like Euros or Yen) but they don't have a lot of money to invest. That's where "e-micro" comes in!
E-micro is a special type of futures contract that lets people trade really small amounts of foreign currencies, so they don't need a lot of money to get started. It's like if you only had one toy to trade instead of a whole bunch of toys.
So, if someone thinks the value of a foreign currency will go up in the future, they can buy an e-micro futures contract for that currency. Then, if the currency does go up in value, they can sell the contract for more money than they paid for it and make a profit! But if the currency goes down in value, they might lose money.
Overall, e-micro lets people trade small amounts of foreign currency futures and potentially make money, even if they don't have a lot of money to invest in the first place.