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Date/Time: Sat, 16 Aug 2025 23:08:20 +0000



SC2781 TPO chart corrupted

View Count: 107

[2025-08-06 21:20:43]
User512353 - Posts: 95
SC2781 updated from SC2776

A chartbook with a TPO chart was loaded at the beginning of today's RTH.
Everything looked fine. TPO chart default size is 4L.

The chartbook was running in the background for the complete RTH session.

After the RTH session I brought the chartbook to the front and the TPO chart area was empty, including the scale area.

I experimented and found:
- With 3L the chart worked normal.
- With 4L the chart and scale is gone, but when I maximize the window, it works normal. When I minimize it again, the chart and scale again disappears.
- With 5L the chart looks normal at first, but the scale shows strange behavior: Regardless of the setting of "Interactive Scale Move" or "Interactive Scale Range", the function is always move. It is impossible to get the range function, either via the menu or via CTRL key.
- With 6L the chart works normal.
- With 7L, it is the same as 4L.

The problem is reproducible after closing and reloading the chartbook, and also after closing and restarting SC.

I have the same chartbook for ES, MES, NQ, MNQ.
The problem only shows for ES and MES, not for NQ, not for MNQ.
imageScreenshot from 2025-08-06 20-28-33.png / V - Attached On 2025-08-06 21:18:57 UTC - Size: 19.36 KB - 26 views
imageScreenshot from 2025-08-06 20-28-43.png / V - Attached On 2025-08-06 21:19:01 UTC - Size: 8.35 KB - 25 views
imageScreenshot from 2025-08-06 20-29-42.png / V - Attached On 2025-08-06 21:19:07 UTC - Size: 16.09 KB - 21 views
[2025-08-06 21:58:18]
Sierra_Chart Engineering - Posts: 20651
We do not see how this is specific to any particular version.

Refer to:
Chart Scale and Scale Adjusting: Chart Bars or Studies Not Completely within View, Not Displayed, or Cut Off. Reset Scales.
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
[2025-08-06 22:22:25]
User512353 - Posts: 95
I never had any such problems before.

And of course I tried/checked most of what is described in your reference link.

Particularly noteworthy is that in size 4L, a scale reset does not do anything!
It appears that the scale is completely gone (see attached screenshot).

When I opened the chartbook at the beginning of RTH, when the problem was not yet showing, I actually did notice some strange scaling effects on the vertical scale when using CTRL + mouse drag. It was not as smooth as with prior SC versions, appeared to be "jumping".
[2025-08-07 03:08:54]
Sierra_Chart Engineering - Posts: 20651
Disregard our prior post which we have hidden. We are checking on this. Surprisingly there is some issue that we were unaware of.
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
[2025-08-07 03:48:59]
Sierra_Chart Engineering - Posts: 20651
We have resolved the issue. We will put out a new release shortly.
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
[2025-08-07 11:40:23]
User512353 - Posts: 95
The problem seems to be resolved with SC2782.

Thanks!
[2025-08-07 11:50:49]
Sierra_Chart Engineering - Posts: 20651
Yes, this was an unexpected behavior due to merely changing the datatype of the TPO count to an unsigned value.
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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