Support Board
Date/Time: Sun, 06 Jul 2025 18:23:14 +0000
Wrong calculation in "Fill Blanks With Last Value"?
View Count: 1165
| [2017-08-20 07:46:09] |
| Bill1 - Posts: 5 |
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Hi Support team, I believe there is a mistake with the "Fill Blanks With Last Value" feature in the "Study/Price Overlay" study. Instead of getting the last value, it is getting the nearest value from the future. This could introduce some serious look-ahead bias for anyone doing a backtest analysis. Hope you can help to fix this bug. Thank you. |
| [2017-08-20 15:06:15] |
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We will look into this. There was a recent change related to this. Maybe it is causing an unexpected issue. Could you also post an image of the chart showing what you are currently seeing from that study so we can have a better understanding of this. Provide an image of the chart or Trade DOM, by following these instructions: https://www.sierrachart.com/index.php?page=doc/PostingInformation.php#Image 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: 2017-08-20 15:06:24
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| [2017-08-20 16:34:25] |
| Bill1 - Posts: 5 |
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http://www.sierrachart.com/image.php?Image=1503246719949.png It is a 1 minute chart with an overlay of a 30 min chart. |
| [2017-08-21 01:07:36] |
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Could you provide us the Chartbook you are using so we can test this and see what we find. If you can just provide us a Chartbook with just these two charts, that will make it easiest. Here are the instructions to attach it: https://www.sierrachart.com/index.php?page=PostingInformation.php#AttachFile 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 |
| [2017-08-21 05:23:53] |
| Bill1 - Posts: 5 |
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Attached chartbook
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 ES.cht - Attached On 2017-08-21 05:23:14 UTC - Size: 77.91 KB - 408 views Attachment Deleted. |
| [2017-08-23 03:17:39] |
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We are looking this over now.
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 |
| [2017-08-23 03:48:34] |
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We had a look at this, and the functioning is exactly as expected and designed. We need a very specific description a particular example you are referring to. We can then explain this and see if there any settings which may help. There is no bug here. 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 |
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