trembling charts
- arnie
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trembling charts
Does anyone noticed that sometimes intraday charts starts to tremble
The first time I noticed this it was damn cold in Portugal and I thought to myself, poor chart, is trembling with cold, but then again, maybe not
Normaly, this trembling stops when we increase or decrease bar spacing.
Any thoughts about this?
Regards.
Fernando
The first time I noticed this it was damn cold in Portugal and I thought to myself, poor chart, is trembling with cold, but then again, maybe not
Normaly, this trembling stops when we increase or decrease bar spacing.
Any thoughts about this?
Regards.
Fernando
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This looks like a reintroduced bug, was fixed about a year ago but I can confirm it is back in v. 5 beta 2
It only happened to me once so not as prevalent as before.
http://forum.tssupport.com/viewtopic.php?t=4467
http://forum.tssupport.com/viewtopic.php?t=4923
It only happened to me once so not as prevalent as before.
http://forum.tssupport.com/viewtopic.php?t=4467
http://forum.tssupport.com/viewtopic.php?t=4923
- RobotMan
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I believe it now happens when a study is going to extremes and the next interval number (label step) is trying to display in the price scale column, at least that is what has happened to me (I do not "Divide Scale Labels" nor "Set Labels" step size manually).
Ie: (I know there is a margin above 5.00, but this is just oversimplified for illustration)
MACD is set to update on every tick and scaled to screen, the scale to the right is max out at, oh, let's say 5.00. The MACD is going between 5.01 and 4.99 on every tick. It wants to show 6.00 on the price scale on one tick and 5.00 on the next. BAM, trembling charts.
I just put my mouse cursor in the price scale of that subchart and left click and drag the scale down a little until that bar completes. Afterward, I right click and "reset scale".
The answer might be to have the next interval print in the price scale on the first tick of the condition and stay that way until the bar closes then revert back to what ever the correct interval should be. Ie: If the MACD closed at 5.01 then the price scale interval would be 6.00, if it closed at 4.99 then it reverts back to 5.00.
Hope that helps.
Ie: (I know there is a margin above 5.00, but this is just oversimplified for illustration)
MACD is set to update on every tick and scaled to screen, the scale to the right is max out at, oh, let's say 5.00. The MACD is going between 5.01 and 4.99 on every tick. It wants to show 6.00 on the price scale on one tick and 5.00 on the next. BAM, trembling charts.
I just put my mouse cursor in the price scale of that subchart and left click and drag the scale down a little until that bar completes. Afterward, I right click and "reset scale".
The answer might be to have the next interval print in the price scale on the first tick of the condition and stay that way until the bar closes then revert back to what ever the correct interval should be. Ie: If the MACD closed at 5.01 then the price scale interval would be 6.00, if it closed at 4.99 then it reverts back to 5.00.
Hope that helps.
- RobotMan
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It's similar to:
http://forum.tssupport.com/viewtopic.php?p=18071#18071
but significant digits does not seem the problem this time.
http://forum.tssupport.com/viewtopic.php?p=18071#18071
but significant digits does not seem the problem this time.
- TJ
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I few days ago I experienced trembling charts. It occured when the market made a fast move. It lasted a few minutes. It stopped and never reoccurred.
Regards
Regards
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- Andrew Kirillov
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The reason of trebling charts is price scale width. MultiCharts automatically chooses the optimal width and it means the price scale space can be wider or bit more narrow.
It is dictated by indicators price scale.
Set manual setting in Format Window->Y-price scale and it will not jump back and forth.
It is dictated by indicators price scale.
Set manual setting in Format Window->Y-price scale and it will not jump back and forth.
Last edited by Andrew Kirillov on 10 Apr 2009, edited 1 time in total.
- RobotMan
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Hi Andrew,
I disagree, but you are the boss. I think the width is fine. I have observed it only happens when an indicator is reaching an extreme vertical position and the price scale is quickly switching back and forth between the next and present price scale number on every tick.
http://forum.tssupport.com/viewtopic.php?p=25842#25519
I disagree, but you are the boss. I think the width is fine. I have observed it only happens when an indicator is reaching an extreme vertical position and the price scale is quickly switching back and forth between the next and present price scale number on every tick.
http://forum.tssupport.com/viewtopic.php?p=25842#25519
- Andrew Kirillov
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Hi Bob,
What you say is perfectly consistent with what I'm trying to tell you.
You said that as soon the indicator comes to top or bottom of the chart pane the scale is switching back and forth between numbers.
Example:
We have 999 as a top value of the indicator scale. The indicator is reaching 1000. We have 3 characters and now have 4. The width of the price scale pane is expanding.
After that the indicator rolsl back to 999 and we have 3 characters-width. One second later it moves to 1000 back and so on.
You can see that software plot 3 or 4 characters width and it looks like jumping, because software changes the width automatically.
If you set 5 characters (for illustrative purposes only) as a static value it will never happen.
Does it make sense for you?
What you say is perfectly consistent with what I'm trying to tell you.
You said that as soon the indicator comes to top or bottom of the chart pane the scale is switching back and forth between numbers.
Example:
We have 999 as a top value of the indicator scale. The indicator is reaching 1000. We have 3 characters and now have 4. The width of the price scale pane is expanding.
After that the indicator rolsl back to 999 and we have 3 characters-width. One second later it moves to 1000 back and so on.
You can see that software plot 3 or 4 characters width and it looks like jumping, because software changes the width automatically.
If you set 5 characters (for illustrative purposes only) as a static value it will never happen.
Does it make sense for you?
Andrew,
I've only seen this once on version 5 and it was on a chart with volume as the only indicator, same as Tresor posted above. How can the the price scale be switching, volume cannot decrease as the data comes in?
BTW, I've always been trying to work out how to get rid of the .00 and the end of the volume as you can't buy or sell a hundredth of a contract is that possible?
I've only seen this once on version 5 and it was on a chart with volume as the only indicator, same as Tresor posted above. How can the the price scale be switching, volume cannot decrease as the data comes in?
BTW, I've always been trying to work out how to get rid of the .00 and the end of the volume as you can't buy or sell a hundredth of a contract is that possible?
I get a sort of trembling in MC 2.1.999.999 on the daily bars. I just grab the price scale and pull it down a bit. It is fixed then my mind is back to trading since it seems to be only a once a day thing. However it is only recently I have noticed it (maybe the last 2 weeks).
I also get extra digits on the right side of my RSI sometimes (no trembling) and the same method fixes this too - adjusting subchart #2 scale. This occurs off and on all the time.
Once a day problems are not a big deal with me. It is the all day having to turn snap mode on and off and on and off and on and off and on and off and on and off and on and off and on and off and on and off and on and off .... that gets me (which is why the tool being highlighted should control it and the user should decide how their use of the tool effects snap mode).
Gee I sure can type "on and off" better than before now There is always something good in even the worst of situations!
I also get extra digits on the right side of my RSI sometimes (no trembling) and the same method fixes this too - adjusting subchart #2 scale. This occurs off and on all the time.
Once a day problems are not a big deal with me. It is the all day having to turn snap mode on and off and on and off and on and off and on and off and on and off and on and off and on and off and on and off and on and off .... that gets me (which is why the tool being highlighted should control it and the user should decide how their use of the tool effects snap mode).
Gee I sure can type "on and off" better than before now There is always something good in even the worst of situations!
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Last edited by bowlesj3 on 10 Apr 2009, edited 1 time in total.
- Andrew Kirillov
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Geoff,
So if it still trembles we need to investigate it more. IF you have it create movie with a free SWF recorder for us. Maybe we will find an explanation. So far we have no answer.
Your argument is absolutely relevant. When I analyzed the Tresor’s screenshot I couldn’t find explanation too. It is obvious the volume just increments. The only possible scenario is a short bar (1 sec, 10 Ticks or 5 Volumes), but it was not a case.I've only seen this once on version 5 and it was on a chart with volume as the only indicator, same as Tresor posted above. How can the the price scale be switching, volume cannot decrease as the data comes in?
So if it still trembles we need to investigate it more. IF you have it create movie with a free SWF recorder for us. Maybe we will find an explanation. So far we have no answer.
Yes, MultiCharts 5 has a special feature. See Volume->Edit Study->Scaling->Number of decimals. It allows you to set preferred number of decimals. By default we get number of decimals from base data series price scale.BTW, I've always been trying to work out how to get rid of the .00 and the end of the volume as you can't buy or sell a hundredth of a contract is that possible?
- RobotMan
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Andrew Said:
I think the "First tick / Last tick" suggestion from a prior post of mine might be a viable solution.So if it still trembles we need to investigate it more. IF you have it create movie with a free SWF recorder for us. Maybe we will find an explanation. So far we have no answer.
The answer might be to have the next interval print in the price scale on the first tick of the condition and stay that way until the bar closes then revert back to what ever the correct interval should be.
actually I did get MC 2.1.999.999 to tremble as you guys are talking about and with the RSI. I have to get the RSI to have extra digits (see attached png) then pull the right scale up to just the exact position while it has these extra digits. If I lift it farther it stops or pull it down it stops doing its tremble.
Isn't that cool. MC provides new entertainment if I work hard enough to get it to do that.
When the gold release comes out and if it aborts less than MC 2.1.999.999 (what I now call MC Lite but really bright) maybe I can report this stuff (if I get to keep my fixed price profit tool across futures contracts).
Conclusion re this problem: Impact on dollars of income during trading is ZERO!
Isn't that cool. MC provides new entertainment if I work hard enough to get it to do that.
When the gold release comes out and if it aborts less than MC 2.1.999.999 (what I now call MC Lite but really bright) maybe I can report this stuff (if I get to keep my fixed price profit tool across futures contracts).
Conclusion re this problem: Impact on dollars of income during trading is ZERO!
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- Andrew Kirillov
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- RobotMan
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from: http://forum.tssupport.com/viewtopic.php?p=25883#25519
I now only see this infrequently happen only in subcharts >= 2The answer might be to have the next interval print in the price scale on the first tick of the condition and stay that way until the bar closes then revert back to what ever the correct interval should be.
- Andrew Kirillov
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Andrew I did not have time to look for an SWF recorder yet but it just happened again and I noticed that it is the price scale changing again. I got 2 screen shots which it was jumping between on each tick received, adding the extra space for 100,000 rather than 50,000.Geoff,
Your argument is absolutely relevant. When I analyzed the Tresor’s screenshot I couldn’t find explanation too. It is obvious the volume just increments. The only possible scenario is a short bar (1 sec, 10 Ticks or 5 Volumes), but it was not a case.
So if it still trembles we need to investigate it more. IF you have it create movie with a free SWF recorder for us. Maybe we will find an explanation. So far we have no answer.
- Andrew Kirillov
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Geoff,
We've reproduced what you see. I can confidently say that the reason is the same: auto-selection of width. If you set manual width, it will not happen.
To prove my words I made a movie that highlights the same issue in TS8.
So the only solution is to set manual width with 2 redundant characters.
We've reproduced what you see. I can confidently say that the reason is the same: auto-selection of width. If you set manual width, it will not happen.
To prove my words I made a movie that highlights the same issue in TS8.
So the only solution is to set manual width with 2 redundant characters.
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Andrew,
It is very strange that TS 8 has the same fault. I cannot understand why it changes the width in that scenario on the volume indicator. Manually selecting the width does indeed fix it but now that I use the scanner and symbol linking I use the same chart for symbols with different price scales and volume scales so that's not a very good solution.
However it is a very rare event. When it used to happen in V2.1 it was several times a day and sometimes even on more than one chart in the same workspace, I've only seen it twice since using V5 betas. So I'm not really concerned by it.
Thanks for investigating.
It is very strange that TS 8 has the same fault. I cannot understand why it changes the width in that scenario on the volume indicator. Manually selecting the width does indeed fix it but now that I use the scanner and symbol linking I use the same chart for symbols with different price scales and volume scales so that's not a very good solution.
However it is a very rare event. When it used to happen in V2.1 it was several times a day and sometimes even on more than one chart in the same workspace, I've only seen it twice since using V5 betas. So I'm not really concerned by it.
Thanks for investigating.
- Andrew Kirillov
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