Support Board
Date/Time: Sat, 31 Oct 2026 05:39:19 +0000
Price Value Mismatch Between Daily and Volume Charts (on Arch Linux)
View Count: 316
| [2026-09-14 13:32:04] |
| Timmseh - Posts: 11 |
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I've recently switched over to Arch Linux from Windows and have been using Sierra Chart via Wine. Everything has gone very smoothly so far, except I noticed a strange issue when attempting to do some chartbook cleanup/re-organization. The daily chart for MNQ (using a continuous volume contract) shows a different price value than the equivalent charts using either a 10,000 Volume chart or 100,000 Volume chart. I'm attaching a screenshot that illustrates this. I noticed this behavior because of what looked like copied chart drawings showing up in the wrong spot. After some tinkering and trying to 'redo' the drawings, I realized that they were 'accurate' according to the displayed data on each chart and that the price differences between charts was what was actually causing the offset. Is there a reason this might be happening that I'm causing? I haven't seen/noticed this behavior before. |
 Sierra-Chart-Price-Mismatch.png / V - Attached On 2026-09-14 13:28:30 UTC - Size: 365.11 KB - 49 views |
| [2026-09-14 13:35:08] |
| User431178 - Posts: 909 |
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Is there a reason this might be happening that I'm causing?
Look very carefully at your charts, one is U contract, the other is Z. |
| [2026-09-14 13:38:35] |
| Timmseh - Posts: 11 |
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I did notice that and actually try to change it, but when attempting to do "Change Chart Symbol" on that chart to "MNQU26_FUT_CME" to match, nothing happened. I assumed that was a quirk of the "Continuous Futures Contract - Volume Based Rollover" behavior, but I could be wrong. If that is indeed supposed to be able to switch back to "MNQU..." then I might have a different issue than I originally thought.
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| [2026-09-14 15:47:28] |
| John - SC Support - Posts: 48377 |
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To start with, make sure you are using the same front contract. When using different front contracts and one is too far forward for the current roll, then the most recent day may be the listed contract but other data would be the previous one. This can be why you may not see much difference in the charts when you changed the symbol. So yes, it can be related to the Continuous Contract setup. But, you still need to ensure that you have the same contract to ensure all the back-adjustments are correct. Next, we are very confused on what you are trying to compare. One is a 100000 volume chart and the other is a Daily chart. These are going to show very different bars. For the most reliable, advanced, and zero cost futures order routing, use the Teton service: Sierra Chart Teton Futures Order Routing |
| [2026-09-14 23:05:13] |
| Timmseh - Posts: 11 |
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Hi John, thanks for the response. It makes sense why there might be a mismatch on the pricing if the contracts differ. The ultimate goal for 'comparison' is actually just to mark specific areas with drawings and have those accurately reflected across different charts (e.g. marking a zone on the daily chart shows up on my 10,000 Volume chart as a place to watch for). That zone is showing up in the 'wrong' spot because the pricing on the candles are different between the daily charts and the volume charts. In playing around with this, I've been unable to get the Daily chart to go onto the MNQU... contract. Despite switching away from it and trying to come back, it keeps defaulting to the MNQZ contract (this occurs both when continuous future contracts are enabled and disabled for the chart). Should I be deleting the daily chart data and re-downloading it with it set to MNQU? |
| [2026-09-14 23:37:28] |
| Timmseh - Posts: 11 |
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I believe this is now a moot point. I'm silly and didn't realize it was rollover week so the daily chart was rolling over while the others weren't due to the volume-based rollover rules. Once switching all my charts to the MNQZ contract, everything looks like it's appropriately matching up again. Thanks for all the help, regardless!
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| [2026-09-15 14:29:44] |
| John - SC Support - Posts: 48377 |
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The one thing we want to point out in relation to this is the option for "Automatically Rollover Futures Symbols" in Chart Settings. It sounds like you may have this set to "Yes" for one chart, but not for another. Refer to the following: Chart Settings: Automatically Rollover Futures Symbol (Chart >> Chart Settings >> Symbol >> Symbol menu) For the most reliable, advanced, and zero cost futures order routing, use the Teton service: Sierra Chart Teton Futures Order Routing |
| [2026-09-15 15:34:13] |
| Timmseh - Posts: 11 |
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That is true, but it was intentional in this case. For anyone else finding this thread in the future, the context of my setup is as follows (all MNQ): Chartbook1: Chart1 - 10,000 Volume Chart (Main trading chart) - Non-continuous futures contract (front contract only) Chartbook2: Chart1 - 100,000 Volume Chart - Continuous futures contract (volume-based rollover) Chart2 - Daily Chart - Continuous futures contract (volume-based rollover) Drawings are duplicated from both charts in Chartbook2 to Chartbook1:Chart1. Drawings are also duplicated from Chartbook2:Chart2 to Chartbook2:Chart1. Having multiple chartbooks allows me to maximize screen real estate for my main trading window while still having an easily accessible reference chartbook ready for higher time-frame comparisons. The charts in Chartbook2 are on continuous contracts for visual continuity across contracts while my main trading chart is zoomed in enough that's usually a non-issue (outside of the initial days of the rollover). Interestingly to your point, John, the two charts in Chartbook2 did not roll over simultaneously despite matching 'volume-based rollover' designations. I'm assuming this is likely just due to the differences between Daily volume tracking and Volume volume tracking. I just hadn't noticed this behavior before and wanted to make sure it wasn't a quirk of my relatively recent switch off of Windows onto Arch. |
| [2026-09-15 17:44:10] |
| John - SC Support - Posts: 48377 |
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Interestingly to your point, John, the two charts in Chartbook2 did not roll over simultaneously despite matching 'volume-based rollover' designations. I'm assuming this is likely just due to the differences between Daily volume tracking and Volume volume tracking. I just hadn't noticed this behavior before and wanted to make sure it wasn't a quirk of my relatively recent switch off of Windows onto Arch.
Does one of the charts have "Automatically Rollover Futures Symbols" set to "Yes" and the other "No"? This is the only reason we can think of for one chart changing and another not changing. Definitely, if you select the option to rollover when you are notified, and you get the window to select the contract. When you select OK, all the charts with that same symbol will rollover. We just did a quick test to ensure what we stated above is how it works, and it works exactly as we wrote it. So be aware of those differences. For the most reliable, advanced, and zero cost futures order routing, use the Teton service: Sierra Chart Teton Futures Order Routing |
| [2026-09-15 23:26:34] |
| Timmseh - Posts: 11 |
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Ahh, you are actually correct here. The 100,000 Volume chart did not have 'Automatically Rollover Futures Symbols' enabled and the Daily chart did. Once again, it was my own inattention to those minor details that are causing the snafu, not the software itself. Cheers!
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