Directional
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I noticed that the coincollector system is a reversal system? I'm surprised they use limits for an approach like this to be honest, especially since they admit that you will miss some fills - with an always in the market system, if you miss a fill on a reversal then not only do you end up with a losing trade on what should have been a winner, but you miss the reversed position which would have been a winner too!
using limits in backtest is one way you can inadvertently curve fit a systems performance results - doesnt matter if the backtest looks good if you dont get actually get those results in real life.
I think, unfortunately, your actual equity curve is showing what their backtest equity curve would look like if they could accurately account for missed fills through using limit orders.
And as JonnyT pointed out, if a group of say 100 users are each placing ten contracts for limit orders at the same price, thats going to be 1000 lots in addition to normal depth all parked there waiting for a fill! a whole lot of extra support for price to chew through if it fact price is inclined to go your way.
have you asked them if they have a version that can use market orders? why not also ask them for a backtest report that includes 2 ticks slippage and commissions factored in?
using limits in backtest is one way you can inadvertently curve fit a systems performance results - doesnt matter if the backtest looks good if you dont get actually get those results in real life.
I think, unfortunately, your actual equity curve is showing what their backtest equity curve would look like if they could accurately account for missed fills through using limit orders.
And as JonnyT pointed out, if a group of say 100 users are each placing ten contracts for limit orders at the same price, thats going to be 1000 lots in addition to normal depth all parked there waiting for a fill! a whole lot of extra support for price to chew through if it fact price is inclined to go your way.
have you asked them if they have a version that can use market orders? why not also ask them for a backtest report that includes 2 ticks slippage and commissions factored in?