points system sounds feasible.
thanks.
Jon
All exchanges?
which exchanges are covered by your system?
Maybe you can also charge users per exchange basis
Personally I only use a few main exchanges like Cryptsy, btc-e and Coinex for trading,
and I do not trade all the pairs.
I currently support MtGox, BTC-e, Bter, Cryptsy, Crypto-Trade, Coins-e, CoinEx, Bitstamp, C-Cex.io and Vircurex
I have plans of eventually supporting every exchange out there that exposes a full trade API, including some of the big hitters in Asia.
As far as the points system goes, imagine that you get 10 points for a certain fee. Rules would be like:
*1 point for each exchange to run on
*1 point for each trade pair to run
*1 point for each trade plugin to run
With that example, 10 points could get you:
Cryptsy(1 point) running EMA(1 point) on LTC-BTC(1 point) and DOGE-BTC(1 point)
BTC-e (1 point) running Variance(1 point) and EMA(1 point) on EUR-USD(1 point), PPC-BTC(1 point), and XPM-BTC(1 point)
Basically you could build your strategy with the number of points allotted. Of course, I will have higher tiers where more points will be included at a better cost-per-point, but I have a lot of details to work out yet.
Also keep in mind that I am building a full "strategy" system. You could save the above example as "My 10-point BTC-e/Cryptsy strategy", and make one or more entirely different strategies and switch between them at any time. The point won't be to lock anyone in to one strategy, only con help put a cap on the amount of load it puts on the servers.
I would imagine that most users will be like yourself, wanting to trade their favorite pairs in a few different exchanges. But I also want to be prepared for the "Big dogs" that want o bite into everything they can.