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Date/Time: Tue, 22 Apr 2025 08:17:22 +0000



open intraday chart vs open historical chart

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[2014-03-18 16:45:47]
GreyLock58 - Posts: 170
After I choose a symbol to chart, I can choose intraday or historical. I understand the initial difference between the two, namely that historical is downloaded in daily increments and intraday is downloaded at the tick level. But I am confused between the two when I change bar intervals. It seems that either download can be changed into any interval you want. For example, I can change historical downloads into 10 min bars or I can change intraday into weekly bars. Is there a need to initially download a new symbol choosing either historical or intraday, since after the download you can change the bar interval? I understand how dailies can be made from intraday, but do not understand how intraday can made from dailies.

Also if I have two charts (same symbol), how does one know which chart is constructed from intraday vs historical. This is when both charts have lets say the same bar interval. I hope this question was clear... Thanks
[2014-03-18 17:28:53]
Sierra Chart Engineering - Posts: 104368
Sierra Chart will use either the historical Daily chart data file or Intraday chart data file depending upon the timeframe of the chart bars.

Daily, Weekly, Monthly and higher timeframe chart bars will always use historical Daily chart data. Other bar timeframes will come from Intraday data.


Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
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[2014-03-18 18:00:41]
GreyLock58 - Posts: 170
So in "Find Symbol" the option of choosing "Open Historical Chart" (daily bars) vs "Open Intraday Chart" (60 min bars) is redundant? And it doesn't matter which one I choose if I am changing the bar interval to something else like weeklies or 10 min bars? Am I reading that correctly? Thanks
[2014-03-18 18:10:28]
Sierra Chart Engineering - Posts: 104368
You could consider it this way. But to say that it is redundant is not really accurate. You may only want a Historical chart or just an Intraday chart.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, *change* to the Teton service:
Sierra Chart Teton Futures Order Routing
Date Time Of Last Edit: 2014-03-18 18:11:19
[2014-03-18 18:49:12]
GreyLock58 - Posts: 170
So if I want 10 min bars, does it matter which option I choose? I would still have to change the bar interval after the download. Not trying to be a pain, just trying to understand the difference. "Open Daily Bar Charts" vs "Open 60 min Bar Charts" would be my understanding and accurate, yes? My gut feeling tells me there is more to this than that.
[2025-01-25 17:53:18]
warpigs - Posts: 42
Hi. I am also confused on this. Why is there a distinction between intraday and historical charts when loading a symbol if the timeframe can be changed and then the chart only uses the corresponding data? For example, if I select an intraday, chart, I expect that chart to use intraday data even if I click on a daily timeframe. But I can tell that is not the case. I am assuming that it switches to daily data. How can I get tick level volume data to display on a daily chart?
[2025-01-25 21:22:25]
Sierra_Chart Engineering - Posts: 19303
How can I get tick level volume data to display on a daily chart?

Refer to:
Chart Session Times: Creating Daily Bars with Custom Session Times
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2025-01-25 21:58:21]
warpigs - Posts: 42
Thanks, but I’m not sure what you mean by linking me to that page. I asked in another thread if it would be possible to display tick level volume data by creating a bar chart that displays full session 24 hour bars, as opposed to using daily bars. Is that what you are implying here?
[2025-01-25 23:09:01]
Sierra_Chart Engineering - Posts: 19303
24 hour bars and daily bars are synonymous, in the case of an Intraday chart. Refer to:
Chart Session Times: Creating Daily Bars with Custom Session Times
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2025-01-25 23:23:08]
warpigs - Posts: 42
Thanks, but I’m still not getting a clear understanding. Can you respond either affirmatively or not that setting my intra day chart to one day in the chart settings will provide a full session 24 hour bar that contains tick level volume data? And that selecting a daily chart will only ever load historical aggregated volume data?
Date Time Of Last Edit: 2025-01-25 23:23:39
[2025-01-27 21:10:45]
John - SC Support - Posts: 39395
There are too many variables to be able to answer with a quick "yes" or "no".

In general, what you state is correct. If you have an already open chart using intraday data (i.e. less than a 1 day bar period) and you change the Chart Settings to have the Bar Period be 1-0-0 (1 day) then the chart will create a 1 day chart from the intraday data. But if you select a 1 day period from the Control Bar, then that will set it to use the Historical data.

In the end, the best thing to do is to look at the "Chart >> Chart Settings >> Bar Period >> Chart Data Type". This defines whether the chart is using the Intraday data or the Historical data. There is also an option to force the Intraday data only to be used for 1 day and higher periods by setting this to "Intraday Chart Only".

When set to "Intrady Chart Only" then no matter what method you use to change the bar period, it will always build the bars from the intraday data. Refer to the following for this:
Chart Settings: Chart Data Type (Chart >> Chart Settings >> Bar Period >> Chart Data Type Settings menu)
For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2025-01-27 22:30:13]
warpigs - Posts: 42
Thanks.
There is also an option to force the Intraday data only to be used for 1 day and higher periods by setting this to "Intraday Chart Only".
This sounds like what I am looking for.

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