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EMA/RSI Trend Spotter system

  • #61
  • Jun 28, 2010 7:25am Jun 28, 2010 7:25am
Sangmane
i can't make it repaint...
looking at the code, i can't see how it could possibly repaint bars in the past:
- start() is called at every new tick
- the for() loop will determine ("paint") only the bars that were not already painted, i.e all bars at first call (when loading the indi), then only the current bar at each new tick;
If past arrows disappear, it means that the contents of the CrossUp[] or CrossDn[] arrays (buffers) has changed, but this should not occur since the code only changes index [0] (=current bar) of these arrays at each new tick, and not the higher indexes (which each represent one bar in the past: [1] is the bar preceeding the current bar). I can't see how indexes >0 could be recalculated (after their first calculation at loading time).

I'll be happy to learn why it would do that.
Unless IndicatorCounted() would return silly values, making the for() loop multiple times in the same tick (recalculating multiple bars in the past) -- then ok, the use of global variables would be flawed.
But this would be due to a bug in MT4 itself!


That being said, i agree (as i already did) that Sidus indicator doesn't repaint, and gives the result we are looking for, so i guess we should just go on using this one; there's no use trying to fix V3 once more when we already have another one that satisfies everybody.


Quote
It is like point your index finger to someone, wile the remain four fingers pointed to you.
I like the image
Let me insist that I wasn't pointing the finger at anyone but only at the code. Do not feel concerned

SQ
  • #62
  • Jun 28, 2010 8:00am Jun 28, 2010 8:00am
sangmane

after many tries, i managed to make it repaint! (in M1 it becomes obvious)

In fact the bug lies in the crappy way MQL documentation shows how to use the IndicatorCounted() function:

Inserted Code
   int counted_bars=IndicatorCounted();
/---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;

This will make the "limit" value be 2 at every tick (i added a Print() to see it happening), therefore repainting 3 bars ([2],[1], and the current one) by the for() loop, where we only want to repaint the current bar and not more.
This is why the global vars approach don't work properly here.

I had not focussed on this part of the original code, as this is typical code that we find in (almost) every indicator, and therefore we all take this for granted.
But this example clearly shows that we shouldn't!

So, at least this discussion has sched some light on an obscure part of MT4...

And probably at least 80% of the indicators out there have this flaw... Hopefully a good portion of them are probably not sensitive to it.

Why ?.... sangmane already answered that one: global variables...

SQ
  • #63
  • Jun 28, 2010 9:09am Jun 28, 2010 9:09am
All the coding input has been great, too bad I don't have a clue about coding so it is all a little over my head. I like all the discussion, it seems to be going well. 1st question I have: (this will elimianate confusion) should we go back to using the original posted version, or are you guys working on a newer version still? Second, I have been looking and looking for hours and hours for another filter for Choppy markets; we have had some suggestions earlier in the thread, but nothing has been settled upon, does anyone have a solution for these conditions, and has anyone found any other settings in the indicator that are more optimized to current market conditions. Lastly, once we put this/these filters in place, is this a system that would be easy to develop into an EA or difficult? (programmers let me know on this one).

P.S. An update on the other trades I took last night: 1 BE 2 hit SL

happy trading!
  • #64
  • Jun 28, 2010 9:30am Jun 28, 2010 9:30am
The GU was for me bad too. I tooked two trades and these two hit the SL.
  • #65
  • Jun 28, 2010 9:44am Jun 28, 2010 9:44am
Quoting techfan1128
All the coding input has been great, too bad I don't have a clue about coding so it is all a little over my head. I like all the discussion, it seems to be going well. 1st question I have: (this will elimianate confusion) should we go back to using the original posted version, or are you guys working on a newer version still?
Techfan,
we have gone quite beyond the thread subject...

I think the best is to stick to Sidus indicator, with the correct settings adapted to your strategy.
That would mean the following inputs in Sidus:

FastEMA = 100
SlowEMA = 110
mamode = 1 (we want EMA, not LWMA)
maprice = 0
RSIPeriod = 50

That will plot the arrows you originally wanted.


Quote
Second, I have been looking and looking for hours and hours for another filter for Choppy markets; we have had some suggestions earlier in the thread, but nothing has been settled upon, does anyone have a solution for these conditions, and has anyone found any other settings in the indicator that are more optimized to current market conditions.
Finding a way to detect choppy markets early enough is difficult...
This is what everyone is chasing.
We want to ride the trend, and stop early enough when the trend weakens and turns around.


Quote
Lastly, once we put this/these filters in place, is this a system that would be easy to develop into an EA or difficult? (programmers let me know on this one).
Scoobs has posted the "MTF scalper" bot in his BOJ thread here http://www.forexfactory.com/showpost...postcount=8355

It uses the same basic signals: EMA cross, and RSI +/-50 filter.
The difference is that it uses 3 RSIs on different TF instead of just 1, trying to make stronger entries.
It has a trailing stop (after BE only).
It sets SL and TP = daily ATR value, which is quite wide, but the small trailing stop will make it hit much earlier (when the trade goes to profit).
It is also multi-pair, which is quite nice...

We could give it a try with your 100/110/50 settings and see how it behaves.

SQ.
  • #66
  • Jun 28, 2010 12:28pm Jun 28, 2010 12:28pm
Quoting squalou
Techfan,
we have gone quite beyond the thread subject...

I think the best is to stick to Sidus indicator, with the correct settings adapted to your strategy.
That would mean the following inputs in Sidus:

FastEMA = 100
SlowEMA = 110
mamode = 1 (we want EMA, not LWMA)
maprice = 0
RSIPeriod = 50

That will plot the arrows you originally wanted.


Finding a way to detect choppy markets early enough is difficult...
This is what everyone is chasing.
We want to ride the trend, and stop early enough when the trend weakens and turns around....
Thats a great idea, lets download the BOJ EA and test it with the original settings and see what happens. I have also been testing EMA crosses (like 5, 15), and only taking trades in the direction of say the 100 EMA. This way we are in the right general direction. Havent tested it yet, it might help filter some of the bad trades out. If price continues to cross back and forth and the 100EMA goes flat, its probably time to stay out
  • #67
  • Jun 28, 2010 4:43pm Jun 28, 2010 4:43pm
Quoting flyer415
Pdean123,

I would suggest the same with divergences (being myths that is)....
This is 100% correct with the exception of using Bearish or negative reversals as the signal to the downside on RSI or Bullish or positive reversals on the upside instead of divergences and using an MA to determine the best distance to trade from that MA.

Andrew Cardwell discovered these but he uses a 9 and 45 MA that defeats the purpose of the RSI which is a leading indicator. If you locate a reversal on the RSI and then wait for the cross of the MAs you are in effect negating the signal with a lagging signal.

The statistical data below is a graph of negative divergences in a down trending market off a 200 MA and the distances in pips away from that for profitable trades. The second shows trading reversals in the same down trending market. As can be seen by these charts trading reversals over the same timeframe was productive when the signals were formed above the MA and below it.
For some reason the Manage Attachment was not working. I will put these charts in a second post or you may request them in a private messages.
The timeframe is for the hourly EURUSD for May and June 2010.
  • #68
  • Jun 28, 2010 11:33pm Jun 28, 2010 11:33pm
Quoting pudseybear
Techfan

Try this Sidus indy, it might help with your system
Thanks, I just noticed tonight that you posted this indicator, Ill try it out
  • #69
  • Jun 29, 2010 4:10am Jun 29, 2010 4:10am
Hi Guys,

I created an EA for this. Please bare in mind it is my first attempt. I'm sure there is a lot of room for improvement. I have been getting profit factors greater than 3.00 in backtest using MT4 Strategy Tester with EU and GU. I have been optimizing the EMA/RSI/SL & TP. I would suggest that you do the same for each pair and timeframe that you would like to use it on. It looks promising, but it could be improved I'm sure. Any suggestions would be greatly appreciated. I'm a programmer but this is my first attempted with MQL. Good luck.

Eric
Attached File(s)
File Type: mq4 EMA_Cross_RSI_Trend_Spotter_EA.mq4   27 KB | 1,193 downloads
  • #70
  • Jun 29, 2010 4:56am Jun 29, 2010 4:56am
Quoting TallCoolOne
Hi Guys,

I created an EA for this. Please bare in mind it is my first attempt. I'm sure there is a lot of room for improvement. I have been getting profit factors greater than 3.00 in backtest using MT4 Strategy Tester with EU and GU. I have been optimizing the EMA/RSI/SL & TP. I would suggest that you do the same for each pair and timeframe that you would like to use it on. It looks promising, but it could be improved I'm sure. Any suggestions would be greatly appreciated. I'm a programmer but this is my first attempted with MQL. Good luck....
Thanks for the EA. When I get home from work today I will give it a go with some back testing.
  • #71
  • Jun 29, 2010 6:17am Jun 29, 2010 6:17am
i launched MTF Scalper last night with the ema100/ema110/rsi50/trailing500 settings, on all default pairs that it trades.

Here are the results as of now: (0.1 lot per trade, that's roughly $1/pip)

closed profit = 94.50 USD
upl = 297.64 USD and growing...

Not bad for just a few hours.

I manually closed the GBPJPY trade at -70, as the bot wasn't kicking its "close" condition and price was heading north rapidly.
We have to work out the "trailingstop" function, which only kicks in when the trade is already at BE+trailing, knowing that SL and TP are set to the previous daily low/high, meaning quite far away...


SQ

Attached Image (click to enlarge)
Click to Enlarge Name: MTF Scalper 100-110-50 2010-06-29.gif Size: 11 KB
  • #72
  • Jun 29, 2010 6:35am Jun 29, 2010 6:35am
Quoting squalou
I manually closed the GBPJPY trade at -70, as the bot wasn't kicking its "close" condition and price was heading north rapidly.
Why did you close the trade manually if there was a hard stop set that was not hit? You should not lose your nerves when trading!
  • #73
  • Jun 29, 2010 6:59am Jun 29, 2010 6:59am
Quoting squalou
i launched MTF Scalper last night with the ema100/ema110/rsi50/trailing500 settings, on all default pairs that it trades.
Are these the settings from the EMA/RSI trend spotter system?
  • #74
  • Jun 29, 2010 7:16am Jun 29, 2010 7:16am
Quoting squalou
i launched MTF Scalper last night with the ema100/ema110/rsi50/trailing500 settings, on all default pairs that it trades.

Here are the results as of now: (0.1 lot per trade, that's roughly $1/pip)

closed profit = 94.50 USD
upl = 297.64 USD and growing...

Not bad for just a few hours.

I manually closed the GBPJPY trade at -70, as the bot wasn't kicking its "close" condition and price was heading north rapidly.
We have to work out the "trailingstop" function, which only kicks in when the trade is already at BE+trailing, knowing that...
What TF did you have the Robot on, and, there are a couple of indicators Eagle4X and I have looked at as filters that might work well. Being a programmer, would it be possible for you to add some filters into the code based on some custom indicators? (IF THAT IS OK WITH EAGLE4X)
  • #75
  • Jun 29, 2010 7:37am Jun 29, 2010 7:37am
Quoting Indrek
Why did you close the trade manually if there was a hard stop set that was not hit? You should not lose your nerves when trading!

It had crossed back the 100EMA, which i used as a stop line.

Have you seen at what level the SL was ?...
Sell at 133.276,
with SL = 135.847 = -257 pips

I closed it at 133.906 for -63 pips.

Trailing stop kicks in only when price reaches BE+50pips, which means only when you're already well in profit.

Looking now at the chart, price has turned back south, and it would now be in profit... I closed it almost at the swing high... too bad for me.
I should have waited until the round-number at least, which is what i usually do.
The fact that it was already -67pips did not make me feel confortable, especially with such a far SL, which is not my usual setup.
That's life.
That's also the beauty of multi-pair trading: bad trades on one can be compensated by other pairs... hopefully.

SQ
  • #76
  • Jun 29, 2010 7:41am Jun 29, 2010 7:41am
Quoting john225
Are these the settings from the EMA/RSI trend spotter system?
Absolutely. Checkout post 1.

I used Scoob's MTF-Scalper bot because it uses the same underlying entry signals: 2xEMA cross + RSI+/-50 level.

However, i lauched it with its 3 RSI filters active (M15,H1 and H4), while here we only have 1 RSI filter.

I run it on M15 chart.

SQ.
  • #77
  • Jun 29, 2010 8:04am Jun 29, 2010 8:04am
Quoting techfan1128
What TF did you have the Robot on, and, there are a couple of indicators Eagle4X and I have looked at as filters that might work well. Being a programmer, would it be possible for you to add some filters into the code based on some custom indicators? (IF THAT IS OK WITH EAGLE4X)

I used M15.

What other filters did you discuss with Eagle4x ?


SQ
  • #78
  • Jun 29, 2010 10:37am Jun 29, 2010 10:37am
Quoting squalou
I used M15.

What other filters did you discuss with Eagle4x ?


SQ
bbsqueeze indicator seems to be a great filter. I think it can be found here at FF as well, just not sure where. I will post it later as I am on my iPhone right now. Also, brain trend bars help to give the general direction. What I have been testing as well is using a 3,15 ema cross with a 14 RSI filter, and using the 110 EMA to give direction. If price is above, we only take long signals, if price is below we only take short signals. It prices crosses over and closes on the other side, and all other paremeters are met, we take the trade as well. (if that makes sense)

I will try and post all the indicators and a template later on tonight. BTW has anyone tested the newly created EA yet. I haven't had a chance to.
  • #79
  • Jun 29, 2010 11:25am Jun 29, 2010 11:25am
There are also a couple if other indicators I am trying to use as filters, but I haven't determined if they are helpful or just overkill. I'll add those as well tonight when I am off of work.
  • #80
  • Jun 29, 2010 3:13pm Jun 29, 2010 3:13pm
I have posted the indicators and a screen shot of what I am talking about. Let me know if you have any questions. According to Eagle4x instructions, trade BB_Squeeze on green dots (buy when green dot appears and histogram is blue, sell when green dot and histogram is red, or if you see a green dot and you cant see any historgram color, you can still take a trade)

Don't trade when Histogram on the NVO is Blue, when it it is any other color, it is a tradeable situation.

Brain trade Blue bar = buy, red bar = sell, green bar = no trade.

Sidus indicator, need an arrow to go long or short (settings Ema 5, 15, and RSI 21)

110 EMA - Long trades - price must be above already or close above
Short trades - price must be below already or close below.

Once all conditions are met a trade can be taken (You will see in the posted screen shot that the EMA Cross over happened 5 bars earlier, but it had to go through a series of filters to trigger. It may get you in a good trade a little late, but it will keep you out of most false crosses)

"TallCoolOne" and "Squalou" is it possible to add these indicators to either the MTF Scalper or the EMA_RSI EA? If so I also think it is important to not only have a trailing stop, but a BE feature.

Let me know what everyone thinks? All of the members feedback is appreciated!
Attached Image (click to enlarge)
Click to Enlarge Name: example 15.gif Size: 18 KB
Attached File(s)
File Type: mq4 BrainTrend1.mq4   3 KB | 753 downloads
File Type: mq4 bbsqueeze_dark.mq4   5 KB | 729 downloads
File Type: mq4 sidus_v3.mq4   4 KB | 884 downloads
File Type: mq4 Normalized_Volume_Oscillator.mq4   3 KB | 712 downloads
File Type: tpl interesting 2.tpl   4 KB | 645 downloads
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