1, your understanding is correct, but the exchange will be adjusted according to the volume of positions and some change in the margin ratio.
2, futures can be overnight does not lie in is not a retailer, or short-term good or medium and long term good, do futures trading must be based on their own current actual situation has a more objective trading strategy, the strategy is often more important than the mere prediction. For example: a capital of hundreds of millions of dollars and a only a few tens of thousands or hundreds of thousands of dollars, between the two trading methods and methods and mentality is completely different.
3, the amount of money at the beginning of a small amount of corn, soybeans, sugar is also a good choice, after all, is an old variety.
4, I suggest that it is necessary to simulate, this simulation is not that the future of the actual what is too much help, simulation I personally believe that the main thing is to train the single strategy and familiar with the software, imagine that even the software is not familiar with, you dare to take their own hard-earned money to go to the game with others?
Doing futures, do not start thinking about getting rich, must be down-to-earth, stand firm, and then talk about making money. There are also most people tend to ignore the trading strategy and trading mentality, and the pursuit of the so-called technology up.