Support Board
Date/Time: Sun, 15 Nov 2026 14:04:53 +0000
Delayed data, but only by about 3 seconds
View Count: 254
| [2026-09-29 13:57:18] |
| User415279 - Posts: 27 |
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my data is off by about 3 seconds. My internet is sufficient speed, checked that. My system settings are all set for speed, limited number of days, data, etc. And, this just started happening as of yesterday. I can tell by the lag in how my High/low for extended time period is setting, and how my opening print at 9:30PM EST is populating that it is off. Do you have any recommendations as to why this would be? Or, where I would search to fix this?
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| [2026-09-29 14:55:21] |
| John - SC Support - Posts: 48527 |
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We would be surprised if the data is actually off by 3 seconds. The best to see if you are actually having a delay in the data is to make sure you have the "Data Delay" displayed in your "Chart Header". The Data Delay will be prefaced with "DD:" in the header and shows the difference between the timestamps of the incoming data versus your computer clock. Refer to the following for how to modify your Chart Header: Working With Charts: Region Data Line / Chart Header This also requires that your computer clock is synchronized to one of the national standards, as that is what the exchanges use. You can do this through your operating system, or you can have Sierra Chart do this for you. Refer to the following: Network Time Protocol Client Once you have your clock set properly and the Data Delay displayed, then note the difference that is displayed in that Data Delay. It should typically be less than 1/10th of a second, but we can't give specifics, as it depends on your distance from the exchange and your Internet connectivity, etc. For the most reliable, advanced, and zero cost futures order routing, use the Teton service: Sierra Chart Teton Futures Order Routing |
| [2026-09-29 19:43:45] |
| User415279 - Posts: 27 |
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My data seems to be spot on with clock on the computer, it seems like maybe it was just my studies that were lagging to load in. Do you have articles you can direct me to reading on why that may be happening? Thank you. |
| [2026-09-29 19:58:45] |
| John - SC Support - Posts: 48527 |
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The studies are going to do a full recalculation when you first open the system or if there is some change that requires it. There is an amount of time listed with the "Studies to Graph" that shows the amount of time the last full recalculation took for each study on a chart. Refer to the following: Chart Studies: Studies To Graph But again, that is a full recalculation, which is relatively rare after you have the software up and running and are just interacting with the software and adding drawings and the like. There is no information on how long an individual calculation takes, as they are typically very small. The best information we can point you to is the following, that contains all the information we have for improving performance of the system: High CPU Usage | Inactive User Interface | Poor Performance | Long Time to Load Chart Data | Charts Reloading Often 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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