## Does Algorithmic Trading Work?

Actually the question is ill-posed. What exactly does it mean to
"work"? If the question is "Can I make a guaranteed salary of X$ every month by
algorithmic trading?", then the answer is no. If the question is "Can I make a
random salary every month and make a living, losing money some months?", then
the answer is a highly qualified "yes". To make it work, you
will need most (if not all) of the following:

- strong quantitative and data analysis skills,
- good programming skills,
- an ability to think and make decisions in terms of probabilities,
- a feel for the behaviour of the market, and
- strong nerves.

If you have these abilities, then you can probably succeed in
algorithmic trading development and implementation, after a few years of hard
work. But that's just my opinion. Any given individual might be faster or slower
at this process.

To decide whether or not an algorithmic trading strategy is "working", you
can evaluate it using various performance measures.

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