Great EA. Anyone interested in forward testing? | Page 5 | Forex Factory

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Great EA. Anyone interested in forward testing?

  • #81
  • Sep 21, 2008 3:08pm Sep 21, 2008 3:08pm
I mean that there is no point in using a system that will make tons of money from 1999-2003 because it is optimized to do. Markets change and you don't know at this moment what setting will be the best for the next 2 years.
  • #82
  • Edited 3:38pm Sep 21, 2008 3:17pm | Edited 3:38pm
Quoting Tjpld
I mean that there is no point in using a system that will make tons of money from 1999-2003 because it is optimized to do. Markets change and you don't know at this moment what setting will be the best for the next 2 years.
Then there is no point in using any expert advisor or any mechanical system for that matter because as you said you dont know which settings will be the best in the future. I know that these particular settings for this EA have worked from 2000 until today and I believe it will also work in the future. How long they will work I don't know. Nothing is sure in this market. Not even George Soros or Warren Buffett know what will happen next in this market. We can only make an educated guess and see what happens.

Edit and by the way the EA could according to a backtest have more than doubled an account since 1st january 2007.
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #83
  • Sep 21, 2008 4:03pm Sep 21, 2008 4:03pm
Just got a sell on the market open with fxdd. sold at .7900
  • #84
  • Sep 21, 2008 4:29pm Sep 21, 2008 4:29pm
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.
  • #85
  • Sep 21, 2008 4:31pm Sep 21, 2008 4:31pm
Quoting tdion
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.

wow, that is huge!
  • #86
  • Sep 21, 2008 4:44pm Sep 21, 2008 4:44pm
Quoting tdion
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.
eeeekkk! This will have a great impact for sure.
  • #87
  • Sep 21, 2008 4:45pm Sep 21, 2008 4:45pm
Quoting tdion
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.
Do you know how to change that. It would be nice to see how it would be with the spreads included.
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #88
  • Sep 21, 2008 4:55pm Sep 21, 2008 4:55pm
Quoting tdion
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.
I guess it is this line you mean

"OrderSend(Symbol(),OP_SELL,Lots,Bid,4,Bid + SL * Point,Ask - TP * Point,0,Magic,0,Red);"

What should be changed to count the spread.
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #89
  • Sep 21, 2008 4:59pm Sep 21, 2008 4:59pm
Hello everyone,

I mentioned to everyone before this ea has been modified several times and has been back tested and forward tested and best results are break even. I see no one took my advice, lol. For those of that keep on with this expert good luck. I am not being critical just realistic.

Regards,
Jeff
  • #90
  • Sep 21, 2008 5:00pm Sep 21, 2008 5:00pm
Plus this thread has basically the same expert in it. check it out. This person knows the person that created this ea in the first place. http://www.forexfactory.com/showthread.php?t=106918

Jeff
  • #91
  • Sep 21, 2008 5:02pm Sep 21, 2008 5:02pm
Quoting tdion
I have just spotted a tragic flaw in the EA's logic.

It is buying on the Ask, and closing on the Ask.

It is selling on the Bid, and closing on the Bid.

All those great backtests do not include spreads... and considering spread is normally 4 pips for this pair, and that there were 2543 trades, that is 10172 unaccounted for red pips.
How would you know it's doing that? Trades are closed by stoplosses and takeprofits, not by the EA.
  • #92
  • Sep 21, 2008 5:04pm Sep 21, 2008 5:04pm
Does anyone know how to make the EA count the spread?
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #93
  • Edited 5:40pm Sep 21, 2008 5:23pm | Edited 5:40pm
The spread is 3 so have increased TP from 14 to 17 and decreased the SL from 30 to 27 to take the spread into account and I still get similar results in backtests.

Edit: That of course does not work. There is still some pips that is un accounted for every trade. The big question is how often would the EA reach target vs stop loss if the spread was accounted for.
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #94
  • Sep 21, 2008 6:51pm Sep 21, 2008 6:51pm
for the OP_BUY, change the last 2 "Asks" to "Buys"

do the opposite for the OP_SELL.
  • #95
  • Sep 21, 2008 6:54pm Sep 21, 2008 6:54pm
And the backtester does not know the difference! The EA must be told to close on the proper Ask/Buy, or it will simply close where you tell it to (and not deduct spread.) I know because I have examined the results both ways. Plus, it only makes sense when you think about it.

Is that 189 billion dollar EA now in jeoprody? Okay, we'll have to settle for 18.9 billion...

Quoting Ronald Raygun
How would you know it's doing that? Trades are closed by stoplosses and takeprofits, not by the EA.
  • #96
  • Sep 21, 2008 7:24pm Sep 21, 2008 7:24pm
My EAs have a separate close loop which reference the bid/ask prices. You're welcome to check.

It would be interesting to figure out which price (bid/ask) the EA uses when running in the backtester. How do you recommend I go about doing that?
  • #97
  • Sep 21, 2008 7:28pm Sep 21, 2008 7:28pm
Maybe this will help you:

void closeAll() {
while(OrdersTotal()>0) {
OrderSelect(0, SELECT_BY_POS);
if(OrderType()==OP_BUY)
OrderClose(OrderTicket(), OrderLots(), Bid, 0, Blue);
if(OrderType()==OP_SELL)
OrderClose(OrderTicket(), OrderLots(), Ask, 0, Blue);
}
}


If you use this same code, but use Ask for the OP_BUY and Bid for the OP_SELL, you will be ignoring spreads. This is exactly what gambler's EA is doing.

All you need to do is run it both ways, and compare the results. (I recommend looking line by line in the ledger...)
  • #98
  • Sep 22, 2008 12:22am Sep 22, 2008 12:22am
Quoting tdion
for the OP_BUY, change the last 2 "Asks" to "Buys"

do the opposite for the OP_SELL.
Now it is changed to "OrderSend(Symbol(),OP_BUY,Lots,Ask,4,Bid - SL * Point, Bid + TP * Point,0,Magic,0,Green);" and "OrderSend(Symbol(),OP_SELL,Lots,Bid,4,Ask + SL * Point,Ask - TP * Point,0,Magic,0,Red);" and I still get similar results. Have I done it right?
If slaughterhouses had glass walls, everyone would be a vegetarian!
  • #99
  • Sep 22, 2008 12:24am Sep 22, 2008 12:24am
Yes.
  • #100
  • Sep 22, 2008 12:56am Sep 22, 2008 12:56am
Quoting tdion
Yes.
Great. Then the EA is still very good.
If slaughterhouses had glass walls, everyone would be a vegetarian!
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