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Critique my system please

  • Post #1
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  • First Post: Edited Jul 30, 2009 4:38am Jul 29, 2009 3:55am | Edited Jul 30, 2009 4:38am
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
I don’t have metatrader and I don’t know the first thing about coding. So I’ve been playing around with the Forex Strategy Builder as a way to test a few ideas I’ve had.

Combining the idea of fractal breakouts with market times I’ve come up with this system. It centers around only opening positions on GBPUSD between 14:00 and 16:59 GMT which as I understand is NY 9:00 to 11:59. On the one hand these hours are most convenient for me to be near my computer. On the other, I figured breakouts during these hours may carry a decent amount of momentum.

After much fiddling about and tweaking, I came up with an equity curve that looks like this covering hourly market data from May 06 to July 09:

http://img204.imageshack.us/img204/1749/gbpusd1.jpg

This is 2,000 dollar account using single minilots. If risking a whopping 10% of the account on each trade, the equity curve looks like this heh heh heh:

http://img36.imageshack.us/img36/1116/compound1.jpg

Unfortunately over-optimization is a problem with this kind of testing. Nevertheless, the results for USDJPY, EURUSD, and USDCHF also offer positive results though with large drawdowns. This suggests to me that the system is ultimately profitable and could ultimately work on all USD pairs if small adjustments are made to the TP and SL or indicator settings for each pair. Here are equity curves for the other pairs mentioned using the original settings:

EURUSD

http://img36.imageshack.us/img36/9891/eurusd1.jpg

USDJPY

http://img248.imageshack.us/img248/6380/usdjpy1.jpg

USDCHF (not so good)

http://img40.imageshack.us/img40/7108/usdchf1.jpg

I’ve used 3 indicators which seems like overkill. Really I just wanted a simple system based on price action. In fact as a simple fractal breakout strategy, this system would still be profitable over the last 3 years. What I have attempted to do with the indicators though is limit the drawdowns. The idea here was to get the equity curve looking more like a staircase than a rollercoaster. Thus when optimized, 5 losing trades in a row was the biggest drawdown for GBPUSD. The win/loss ratio is 0.48, however with a SL of 105 and a TP of 200, the risk reward ratio is almost 2:1. The spread for each trade is calculated at 4 pips.

So here is the system.

Opening (Entry Signal)

Open a new long position or add to an existing one or close a short position at an Up Fractal when all the following logic conditions are satisfied:

• the entry time is between 14:00 (incl.) and 17:00 (excl.); and
• the Rate of Change* (Simple, 18, 0) rises; and
• the Average True Range* (Simple, 12) rises; and
• the price is higher than the Parabolic SAR (0.01, 0.20, 2.00)

Closing (Exit Signal)

Close an existing long position when the market falls 105 pips or rises 200 pips from the last entry price.

Handling of Additional Entry Signals

Entry signal in the direction of the present position:

• Add to the position no matter if it is at a profit or loss.

Entry signal in the opposite direction:

• Close the present position regardless of its amount or result. Do not open a new position until the next entry signal has been raised.


For short positions, simply do the opposite.

That’s it. I don’t pretend this is a killer system or that it will even work in the long run. But I’d love some feedback from the more experienced traders on here. Am I completely barking mad or am I on the right track? All comments and suggestions welcome. I’m especially open to forthright criticism here. Don’t be shy. I don’t want to have to learn the hard way 1 year down the track that I've been wasting my time and the system was always doomed to failure.
  • Post #2
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  • Jul 29, 2009 4:05am Jul 29, 2009 4:05am
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
It seems I can't post charts of sample trades without deleting images from my previous post...
 
 
  • Post #3
  • Quote
  • Jul 29, 2009 11:32am Jul 29, 2009 11:32am
  •  TJPLD
  • Joined Jan 2008 | Status: Inertial Member | 2,297 Posts
Use www.imageshack.us it's quick easy and free.
Now you can put them into the ["img"]["/img"] Tags (with the "s").
 
 
  • Post #4
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  • Jul 29, 2009 10:58pm Jul 29, 2009 10:58pm
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
Here are of a couple of typical trades:

Consecutive wins

http://img156.imageshack.us/img156/9239/sample1u.jpg

Win plus Loss

http://img190.imageshack.us/img190/6104/sample3r.jpg
 
 
  • Post #5
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  • Jul 30, 2009 5:02am Jul 30, 2009 5:02am
  •  billbss
  • Joined Apr 2006 | Status: Member | 4,301 Posts
Quote
Disliked
• the Average True Range* (Simple, 12) rises; and

You want the ATR rising on a short trade, also- correct?
 
 
  • Post #6
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  • Jul 30, 2009 5:20am Jul 30, 2009 5:20am
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
Quoting billbss
Disliked
You want the ATR rising on a short trade, also- correct?
Ignored
Yes, that would be correct.

Thanks for clearing that up.
 
 
  • Post #7
  • Quote
  • Jul 30, 2009 9:14am Jul 30, 2009 9:14am
  •  billbss
  • Joined Apr 2006 | Status: Member | 4,301 Posts
Bob, Another question on ATR.
Early in a bar, the ATR almost always takes a downward jag, because the bar is still small.
That would seem to eliminate many trades. Am I accurate in my comments?
 
 
  • Post #8
  • Quote
  • Jul 30, 2009 10:53am Jul 30, 2009 10:53am
  •  errich fx
  • | Commercial Member | Joined Mar 2009 | 778 Posts
if your system works in many pairs,,. I think it's a good system

---------------

S + R = $$

.
 
 
  • Post #9
  • Quote
  • Jul 30, 2009 11:50am Jul 30, 2009 11:50am
  •  criss73
  • | Joined Aug 2006 | Status: Member | 194 Posts
on your charts, where exactly are your entries? I'm not quit getting it. Sorry.
 
 
  • Post #10
  • Quote
  • Jul 31, 2009 12:25am Jul 31, 2009 12:25am
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
Quoting billbss
Disliked
Bob, Another question on ATR.
Early in a bar, the ATR almost always takes a downward jag, because the bar is still small.
That would seem to eliminate many trades. Am I accurate in my comments?
Ignored
That may be true, but the results of the backtest implied that avoiding trades when the ATR hadn't risen produced better results. The downside is that sometimes there wouldn't be a trade triggered for one or more weeks.

Quoting criss73
Disliked
on your charts, where exactly are your entries? I'm not quit getting it. Sorry.
Ignored
It's a simple fractal breakout strategy. If the other conditions are met, a trade is opened when price exceeds the tip of the previous fractal.


I make no excuses for this system! I posted it into the rookie forum, then it was moved to the trading systems forum and now it's back in the rookie forum!

I was originally looking at testing something like the Big Dog breakout system, but the strategy builder is limited in the parameters you can use. So I tried basing it on fractal breakouts around the NY open. The results seemed to imply that fractal breakouts in the times specified were best, and then I applied a few indicators to try to level out the equity curve so it looked more like a diagonal line rather than some sort of seismic event.

I couldn't use measured moves or fibs in regard to SL TP in the strategy builder, nor could I incorporate a trailing stop (eg. move to break even after 100 pips), so I used a set TP and SL. But I was surprised that the four pairs I had data for all proved positive as they did.

Anyway, thanks for the comments. I'm still open to any other opinions or advice.
 
 
  • Post #11
  • Quote
  • Jul 31, 2009 11:26am Jul 31, 2009 11:26am
  •  criss73
  • | Joined Aug 2006 | Status: Member | 194 Posts
where can I find the ROC indicator in MT4?
 
 
  • Post #12
  • Quote
  • Jul 31, 2009 1:36pm Jul 31, 2009 1:36pm
  •  bobsmith
  • | Joined Nov 2008 | Status: Successful hobo | 89 Posts
Quoting criss73
Disliked
where can I find the ROC indicator in MT4?
Ignored
Sorry, that I don't know. I don't use Metatrader and don't know how to create new indicators in Metatrader.
 
 
  • Post #13
  • Quote
  • Last Post: Aug 6, 2009 11:55am Aug 6, 2009 11:55am
  •  charvo
  • Joined Dec 2006 | Status: Backtest is meaningless (to me) | 2,175 Posts
why no one posts?

the 1st figure in 1st post is great.

However, in live trading, if it is like 2nd, 3rd, or 4th figure, the system won't be tradable because of unbearable drawdown size.

when you go live trading, you are bound to START with a drawdown instead of with a huge profit to cushion drawdown in later stages. This is exactly mathmatical although it sounds like superstitious.

could you please present some details on the parameters/settings, and modeling quality on your 1st chart? If it's promising, I'd like to make an EA on it.

Thanks for this "good looking" system.
 
 
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