Very nice project. Why not to use
https://github.com/oransel/node-talib, you'll get 100+ indicators without the need to develop them from scratch. Bittrex support would be also nice.
Planning to look deeper into source, looks like it's a good base for developing custom bots.
Great work, thank you for publishing it

Thanks for the feedback! See my comments below:
- I've had a look at TA-LIB in the past but at this time I prefer to stick with these pre-packaged indicators I have. I'm 100% sure they work as intended and the best indicators are often the ones you make yourself as you'll be able to "beat the system". I might add support for TA-LIB at a future date, but at the moment it's low priority.
- Added Bittrex to my to-do list, but I'll add support for exchanges in order of volume, so I'll probably work on bigger exchanges first and move from there.