Option futures and other derivatives amazon
To make money, any success rate above 50 would be good enough for me, but my success rate is actually 85-100 which among other things means. Most banks and traders do not know what this method is about.
And even when they do know about it, they would never, under any conditions, provide it to ordinary people. That's why it's very important to choose a reliable licensed broker who will allow you to make money.