Support Board
Date/Time: Sun, 04 Oct 2026 01:05:48 +0000
Vwap study incorrect following recent update
View Count: 320
| [2026-08-19 05:35:34] |
| User240337 - Posts: 23 |
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Symbol: BTCUSDT_PERP_BINANCE Study: ECIVwapV1.5 First, this appears to be isolated to my Historical chart on BTCUSDT_PERP_BINANCE. I have multiple intraday charts running the same ECIVwapV1.5 study in the same BTCUSDT_PERP_BINANCE chartbook and all are working correctly. For reference, All of my other CME/NYMEX/COMEX historical charts are fine display the ECIVwap1.5 study correctly. I have never had an issue displaying this chart/study before. Tonight I ran the recent update to take advantage of the recent fix to "The Z-Order of the windows also may not have been restored correctly when reopening a Chartbook or switching between loaded Chartbooks"--- big thank you for fixing this. I attempted months ago to explain this issue, but I think I was unsuccessful in getting my point across- it was tough to explain. Back to my ECIVwap issue. Following the update tonight, my Historical Chart with Yearly ECIVwap is skewed and unusable and I have included a screenshot. I have double checked all settings associated with crypto charts- Auto set from data feed to NO. I have tried "Delete Data and Download" and this does not work. I tried rebuilding the chart from scratch, but this does not fix the issue. I was able to add the standard Volume Weighted Average Price study to a historical BTCUSDT_PERP_BINANCE chart successfully. But this standard Vwap study lacks the extension features that ECIVwapV1.5 offers and I require. What can I do to fix my ECIVwapV1.5 study on my historical chart? Thank you for all your help |
 SierraChart_64_7NtKmF2caX.png / V - Attached On 2026-08-19 05:33:47 UTC - Size: 45.38 KB - 67 views |
| [2026-08-19 06:20:34] |
| Sierra_Chart Engineering - Posts: 25048 |
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We are not sure about this. We will have to look over the source code of the study to try to understand it.
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 Date Time Of Last Edit: 2026-08-19 06:20:42
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| [2026-08-19 06:40:02] |
| Sierra_Chart Engineering - Posts: 25048 |
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We converted some of the data types to double from integers and floats. And this is what we see after the changes: https://www.sierrachart.com/image.php?Image=1787121562329.png There is more to do but this seems like it is working properly. 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 |
| [2026-08-19 15:16:21] |
| User240337 - Posts: 23 |
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Unfortunately, I'm not seeing the same results on my end. I reset the ECIVwapV1.5 study back to defaults and then loaded up a fresh historical chart and attempted to build the chart from scratch to replicate your results. I'm still seeing the same skewed, unusable chart. I have included a screen shot.
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| SierraChart_64_RWSYo7ftlU.png / V - Attached On 2026-08-19 15:14:57 UTC - Size: 114.1 KB - 69 views |
| [2026-08-19 16:33:30] |
| Sierra_Chart Engineering - Posts: 25048 |
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We have not yet released any changes with this study. Doing what you did will not make any difference.
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 Date Time Of Last Edit: 2026-08-19 16:33:39
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| [2026-08-20 06:07:49] |
| User240337 - Posts: 23 |
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I have made an interesting discovery. I got the ECIVwapV1.5 study to work, but I had to change the source of the study- meaning when I click "Add Custom Study", the next pop-up window gives me two libraries of studies to choose the ECIVwapV1.5 study from- ECIVwapV1.5 can be found in both list. screen shot attached. 1) "Sierra Chart Custom Studies and Examples (SierraChartStudies_64.dll)" 2) "User Contributed Studies (UserContributedStudies.dll v2927)" If I try and use the ECIVwapV1.5 study from "User Contributed Studies (UserContributedStudies.dll v2927)"- the chart is skewed and unusable. This had been the original source used and had worked fine before the latest update that caused the issue at hand. But if I select the ECIVwapV1.5 study from the "Sierra Chart Custom Studies and Examples (SierraChartStudies_64.dll) " library list, the study work perfectly. Not sure what to make of this. I'm glad it works. For clarification/my own knowledge- what is the difference between "Sierra Chart Custom Studies and Examples" and "User Contributed Studies"? Thank you for your help and prompt responses. |
Private File |
| [2026-08-20 22:09:02] |
| Sierra_Chart Engineering - Posts: 25048 |
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Use this one: But if I select the ECIVwapV1.5 study from the "Sierra Chart Custom Studies and Examples (SierraChartStudies_64.dll) " library list, the study work perfectly. 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 |
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