Support Board
Date/Time: Mon, 23 Jun 2025 15:52:19 +0000
[Programming Help] - How to access future price data(in the downloaded dataset) in a study
View Count: 601
| [2022-02-13 13:54:53] |
| User395175 - Posts: 90 |
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Hi, is it possible to access future data when programming a study. For example, i want to get the mean of next 20 close prices in the history dataset.(assuming i already downloaded the next 20 close prices)
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| [2022-02-13 15:52:25] |
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This is not clear for us, but if the data is in the chart it is accessible. Refer to: Working with ACSIL Arrays and Understanding Looping 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 |
| [2022-02-13 17:39:56] |
| User395175 - Posts: 90 |
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Thank you for answering it. Maybe i can use sc.Index+1, sc.Index+2.... to access future data on chart?
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| [2022-02-13 18:36:25] |
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No that does not make sense, but you can fill in Study Subgraph elements, into the extended / forward area of the chart. How this works is explained here: ACSIL Interface Members - sc.Subgraph Array: sc.Subgraph[].ExtendedArrayElementsToGraph 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 |
| [2022-02-14 00:35:12] |
| 1+1=10 - Posts: 270 |
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is it possible to access future data when programming a study. For example, i want to get the mean of next 20 close prices in the history dataset.(assuming i already downloaded the next 20 close prices)
If the next 20 close prices are already downloaded then you just need manual looping which is explained in the link SCEngineering sent which has an example that I'll summarize: // Loop through all the chart bars: for (int Index = sc.UpdateStartIndex; Index < sc.ArraySize; Index++) { // For each bar's 0 subgraph output the bar's high - low sc.Subgraph[0][Index] = sc.BaseData[SC_HIGH][Index] - sc.BaseData[SC_LOW][Index]; // Make sure 20th bar into future exists if (Index + 20 < sc.ArraySize) { // For each bar's 0 subgraph output the high of the 20th bar into the future. sc.Subgraph[0][Index] = sc.BaseData[SC_HIGH][Index + 20]; } } |
| [2022-02-14 12:10:19] |
| User395175 - Posts: 90 |
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Thank you very much!
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| [2022-02-14 13:13:54] |
| 1+1=10 - Posts: 270 |
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Sure! Oh, obviously you can’t use the same subgraph to output two different data points so in the example they should not both be subgraph 0.
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