If I had time I would build it, not that hard.
Funny, I was thinking of the same words, but in a different order:
- I'ld build that if it would not result in hard time
i.e., Building the technology to offer this is the easy part.
There are securities regulations that apply to futures trading. To offer this by passing-through trades from your own account with a broker would likely be violating the use agreement with your broker. To offer this legitimately, if possible at all, would likely include capital requirements, licensing, etc.