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Simple H1 GBPUSD EA

  • #461
  • Apr 24, 2010 1:09pm Apr 24, 2010 1:09pm
Quoting igor73
Good day,
I tried your EA simple v5a and it's very impressible on Alpari account. My account on GMT+3 server. I tried to change a GMTOFF to 3 and I don't get good results. Maybe I need to change anything more?
Thank you.
This is difficult to set, I find it easier to leave GMT offset at 0 and adjust the start time to Tokyo open using your brokers time zone.

Tokyo open is at 0:00 GMT, hope this doesn't confuse you even more!

I think, if your broker is GMT+3 and you set the GMT offset to 3, then Tokyo open time would be 0.

If I'm wrong, I hope someone will correct me!
  • #462
  • Apr 24, 2010 5:50pm Apr 24, 2010 5:50pm
Hi Geoff,

A suggestion that makes backtesting much faster.

Within the start() fuction, replace this line:

PHP Code
iCrossed  = CheckForCross();
With this:

PHP Code
   int thour = Start_Time+GMToffset;
   if (thour >= 24) thour = thour - 24;
   if (Hour() == thour) {
      iCrossed  = CheckForCross();
   }
Simply makes the CheckForCross() function only execute in the relevant hour, rather then every tick.

Cheers, Andrew.
  • #463
  • Apr 24, 2010 5:58pm Apr 24, 2010 5:58pm
Quoting geoffb65
This is difficult to set, I find it easier to leave GMT offset at 0 and adjust the start time to Tokyo open using your brokers time zone.

Tokyo open is at 0:00 GMT, hope this doesn't confuse you even more!

I think, if your broker is GMT+3 and you set the GMT offset to 3, then Tokyo open time would be 0.

If I'm wrong, I hope someone will correct me!
Geoff - I am a little confused, if Tokyo open is 0:00 GMT, why do you have this as the default in the EA:

PHP Code
extern int GMToffset=0;
extern int Start_Time= 1;
According to that, you are saying that you want the EA to start at 1:00 GMT... ?

Shouldn't the default Start_Time be zero?

Cheers, Andrew.
  • #464
  • Edited 7:56pm Apr 24, 2010 6:27pm | Edited 7:56pm
Quoting geoffb65
This is difficult to set, I find it easier to leave GMT offset at 0 and adjust the start time to Tokyo open using your brokers time zone.

Tokyo open is at 0:00 GMT, hope this doesn't confuse you even more!

I think, if your broker is GMT+3 and you set the GMT offset to 3, then Tokyo open time would be 0.

If I'm wrong, I hope someone will correct me!
Please correct me if I'm wrong. If broker offset is GMT+3, then start time should be 21:00. If offset is GMT+1, start time would be 23:00. Offset and start time should equal 24 (or 0) since Tokyo start time is 0:00.
If you're scared get a dog.
  • #465
  • Apr 24, 2010 11:13pm Apr 24, 2010 11:13pm
Quoting geoffb65
This is difficult to set, I find it easier to leave GMT offset at 0 and adjust the start time to Tokyo open using your brokers time zone.

Tokyo open is at 0:00 GMT, hope this doesn't confuse you even more!

I think, if your broker is GMT+3 and you set the GMT offset to 3, then Tokyo open time would be 0.

If I'm wrong, I hope someone will correct me!
I think every robot uses the local time of the computer which runs it. If this is your laptop or your computer it is shown in the bottom right corner of your screen. I don't care wether being in Shanghai or in London, I always use London time (currently GMT +1) to make things easier as I assume most robots use GMT+1. Uuuups, am I wrong here?

I am just into ea since Thursday as I find my FX experience of trading FX Options for the last 15 years more and more insufficient but even with my limited value added for now I would like to raise 2 questions:

1) to Geoffb65: how do you handle o/n events like the upcoming Nationwide on the 29th? Do you just switch of the robot in nights during which you expect some possibility of external shock related movement?

2) Has anyone thought about inserting some info from the fx options market? I traded only 1st and 2nd derivatives of spot (delta, gamma, vega, theta, volga, vanna) manually and hence never was a great chartist but thought that only using one indicator is pretty much nothing for me.

After reading a lot on these threads I would like to especially thank Steve and Geoffb65 for their spirit of sharing, hopefully I can give some input back when up and running properly.
  • #466
  • Apr 25, 2010 2:54am Apr 25, 2010 2:54am
Quoting wwwild
Geoff - I am a little confused, if Tokyo open is 0:00 GMT, why do you have this as the default in the EA:

PHP Code
extern int GMToffset=0;
extern int Start_Time= 1;
According to that, you are saying that you want the EA to start at 1:00 GMT... ?

Shouldn't the default Start_Time be zero?

Cheers, Andrew.
The default is set for my brokers time (Alpari UK GMT+1) so I either use the values shown, or I set GMToffset to 1 and start time 0 - same difference!

BTW another way to speed up testing is to set Show Settings to false.

I knew this GMT offset thing would cause a problem, it happens in every thread on FF whenever the time is required!
  • #467
  • Edited 3:14am Apr 25, 2010 3:00am | Edited 3:14am
Here is a useful indicator that may help everyone know when the Tokyo session starts in their time zone.

Copy the two files into your experts/indicators file and restart MT4, it shows local times, broker time and GMT.

But only when the market is open ie. not on weekends.
Attached File(s)
File Type: mq4 CLOCK.mq4   8 KB | 514 downloads
File Type: ex4 CLOCK.ex4   9 KB | 571 downloads
  • #468
  • Edited 3:16am Apr 25, 2010 3:06am | Edited 3:16am
Quoting Boxxie
Please correct me if I'm wrong. If broker offset is GMT+3, then start time should be 21:00. If offset is GMT+1, start time would be 23:00. Offset and start time should equal 24 (or 0) since Tokyo start time is 0:00.
Mmmmm!

Tokyo starts at 0:00 GMT so if your broker is GMT+3 and you set the GMT offset to +3 you have accounted for the 3 hour difference between your brokers time and GMT, so Tokyo start remains at 0.

Please SkyzerFX I need your help here!
  • #469
  • Apr 25, 2010 7:57am Apr 25, 2010 7:57am
Quoting Haishang
I think every robot uses the local time of the computer which runs it. If this is your laptop or your computer it is shown in the bottom right corner of your screen. I don't care wether being in Shanghai or in London, I always use London time (currently GMT +1) to make things easier as I assume most robots use GMT+1. Uuuups, am I wrong here?

I am just into ea since Thursday as I find my FX experience of trading FX Options for the last 15 years more and more insufficient but even with my limited value added for now I would like to raise 2 questions:

1)...
Robots tend to use broker time hence the confusion in determining the start times!

The trouble is, every broker has their own time zone so we have broker time, local time and GMT to take into consideration, at least if we use GMT it is a standard.

Currently we do not take news events into consideration, we aim for a compromise solution and consequently take the occasional hit!

If you have any info regarding data feeds from the options market it would be useful.

Look forward to hearing more from you!
  • #470
  • Apr 25, 2010 8:07am Apr 25, 2010 8:07am
You may be biting off a little much. The two most asked questions on ff are
1. What time is GMT (ie and the time where I am sitting)
2. Can an EA be made for this.

You are taking #2 on in this thread, and doing very well.
#1 is like kryptonite, it can cause enough discussion to over power whats really important.

Let everyone watch Bloomberg tv (or their web site) when Tokyo opens they will let you know.

P.S. Then write it down.
  • #471
  • Apr 25, 2010 8:29am Apr 25, 2010 8:29am
Quoting Bankshot
You may be biting off a little much. The two most asked questions on ff are
1. What time is GMT (ie and the time where I am sitting)
2. Can an EA be made for this.

You are taking #2 on in this thread, and doing very well.
#1 is like kryptonite, it can cause enough discussion to over power whats really important.

Let everyone watch Bloomberg tv (or their web site) when Tokyo opens they will let you know.

P.S. Then write it down.
Very true!

In my first post I requested that no one ask me how to set the GMT offset and start time, I have seen this on so many other threads!

I wasn't being rude when I made this request, I just knew in advance that I would not be able to give a definitive answer!

I have found the CLOCK indicator quite useful, have you tried it?
  • #472
  • Apr 25, 2010 8:32am Apr 25, 2010 8:32am
No, I watch Bloomberg.
  • #473
  • Apr 25, 2010 9:01am Apr 25, 2010 9:01am
I live in the eastern US. One of my brokers is in the eastern US, the other in the central US. You live in the UK, some here live in Germany, Italy, Indonesia, Hong Kong, Korea, and who knows where their brokers are. The only constants are when the target maket opens and when your start time is as it relates to that open.
If you are keying on the Tokyo open thats enough info, everyone should be able to figure it out. (IMHO)
  • #474
  • Apr 25, 2010 9:24am Apr 25, 2010 9:24am
Thanks for all answers.
Now its really better. But....
first option I made in the tester:
GMT offset:
value: 3, start 3, (step 1 stop 8 - was changed automatically)
start time I made 0, start 0 (step 1 stop 6 - was changed automatically)
I got profit factor 1.93

the second option:
value: 3, start 0, (step 0 stop 0 - wasn't changed automatically)
start time I made 0, start 1 (step 0 stop 0 - wasn't changed automatically)
I got profit factor 1.93 (the same)

the second option:
value: 2, start 0, (step 0 stop 0 - wasn't changed automatically)
start time I made 23, start 1 (step 0 stop 0 - wasn't changed automatically)
I got profit factor 2.15

Should I change parameters step, stop, start or just I should change a value property?
  • #475
  • Apr 25, 2010 10:09am Apr 25, 2010 10:09am
Quoting igor73
Thanks for all answers.
Now its really better. But....
first option I made in the tester:
GMT offset:
value: 3, start 3, (step 1 stop 8 - was changed automatically)
start time I made 0, start...
I would say whatever gives the best profit!
  • #476
  • Apr 25, 2010 12:13pm Apr 25, 2010 12:13pm
Hello Geoff,

first of all, congratulations on your stategy and EA !
Stumbeled over this tread today, and got really impressed by what was achieved here.

Before putting your EA on a Demo, I tried to backtest it at first, to see if I set up everything correctly. I also used Alpari UK broker , period 1 year, and same settings as you in your backtest on page 27
Surprisingly I got quite different , significantly worse results than on your test.
Profit Factor 1.98 vs yours 3.26
Total profit $ 3572 vs yours $ 5074
Loosing trades 26 (!!) vs yours 16 only

I used latest EA version 5a.

Especially since 1/2010 the EA started to struggle in my backtest
(profit from 1/1 to 23/04 only about USD 300)
and this current month was the worst with 2 loosing days (total 4 loosing trades) whereas you had no loosing trade this month at all.

Looking at and comparing these loosing days more closely :
I had one on 15th April , which you had no trades on that day at all
(surprisingly you had no trades for about 1 week from 12th April to 20th April, which is very strange, maybe a gap in your history?)

Another one on 6th April, which was opened on 2nd April
This one was same 2 trades as yours, but my entry price was 6 pips worse,
which caused my trades to miss their TP, whereas yours hit it on 5th April

This is very odd, as acc. to my history data the price on 1.00 am, 2nd April
was 1.52917 - 1.52919, but EA opened the trade at 1.52989...

Pls. see my backtest attached for studies.
I got 90 % modelling quality, 0 mismatched chart errors and I used metaquotes Alpari data for the history.

Does you or anybody else have any explanation for such differences in backtest results on same broker ?

How are other peoples' backtest results with the EA ?

Not that I would relie on backtest results too much, but would be glad to sort out these issues before going live with this EA.

By the way, are there any other pairs besides GU on which the EA performs well ? It might be a good idea to diversify risk.

B/R Michael
Attached File(s)
File Type: zip Simple H1 GU 090501-100423.zip   85 KB | 323 downloads
  • #477
  • Apr 25, 2010 2:05pm Apr 25, 2010 2:05pm
Quoting brc021
Hello Geoff,

first of all, congratulations on your stategy and EA !
Stumbeled over this tread today, and got really impressed by what was achieved here.

Before putting your EA on a Demo, I tried to backtest it at first, to see if I set up everything correctly....
One thing to consider, the spread on Saturday and Sunday this week on Alpari GBPUSD is 7, the spread during market hours is 2 or less!

You say that you found the thread today so I assume you did the testing today, in which case this would explain the difference.

Strangely enough, I did the same test yesterday because I wanted to see if the EA would still show any profit at all with the bigger spread.

When I have done this with other "profitable" EA's they have fallen down horribly, so I was very pleased to see that even with the big spread our EA still made a very reasonable profit overall!
  • #478
  • Apr 25, 2010 3:40pm Apr 25, 2010 3:40pm
Quoting geoffb65
Here is a useful indicator that may help everyone know when the Tokyo session starts in their time zone.

Copy the two files into your experts/indicators file and restart MT4, it shows local times, broker time and GMT.

But only when the market is open ie. not on weekends.
Geoff,
Also http://www.forexmarkethours.com has a separate window that opens. Works well for me.
  • #479
  • Apr 25, 2010 3:42pm Apr 25, 2010 3:42pm
Quoting brc021
Hello Geoff,

first of all, congratulations on your stategy and EA !
Stumbeled over this tread today, and got really impressed by what was achieved here.

Before putting your EA on a Demo, I tried to backtest it at first, to see if I set up everything correctly....
Mine come out at 93.53% and almost identical to Geoff's. Done thru the week.
  • #480
  • Apr 25, 2010 4:28pm Apr 25, 2010 4:28pm
Quoting sanyhuis
Geoff,
Also http://www.forexmarkethours.com has a separate window that opens. Works well for me.
Hi San

Thanks for the link, that is excellent!
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