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Date/Time: Mon, 03 Aug 2026 07:36:22 +0000



Historical Intraday Download Skipped for custom symbol

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[2026-06-15 19:42:05]
joshtrader - Posts: 564
Custom symbol: {ESU26-CME}-{SPX_CGI}

I am getting "Historical Intraday Download Skipped". Denali data. Only calculates newly incoming data. Not sure how to fix this.
Date Time Of Last Edit: 2026-06-15 19:42:18
[2026-06-15 20:03:36]
John - SC Support - Posts: 47426
Refer to the following:
Custom Calculated Symbols: Resolving Missing Historical Data Issue
For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2026-06-15 21:26:13]
joshtrader - Posts: 564
Thank you, not sure how my settings got changed, but it's working now.

One issue still persists which is strange, see attached screenshot. I get this when I "Delete all data and download".

Why would {YMU26-CBOT}/{DIA} not be valid? It was working fine recently (or the YMM26-CBOT variant anyway). I have deleted and recreated the symbol definition in Global Symbol settings per the instructions, which fixed the download for the other symbols, but this error seems to indicate it can't even find the setting, but as you can see it's right there in the list.

Only one SC instance running, have fully applied settings, don't understand what could be wrong here.

Log:

2026-06-15 17:22:28.101 | Added historical Intraday data request for {YMU26-CBOT}/{DIA} to the queue.
2026-06-15 17:22:28.101 | Intraday data recording state for symbol {YMU26-CBOT}/{DIA} is set to download 'Pending'.
2026-06-15 17:22:28.101 | Triggering next historical data download in queue.
2026-06-15 17:22:28.101 | Reloading all charts with filename: {YMU26-CBOT}[{DIA}.scid
2026-06-15 17:22:28.102 | HD Request # 48 | Downloading Intraday chart data for {YMU26-CBOT}/{DIA} to the file {YMU26-CBOT}[{DIA}.scid. Service:
2026-06-15 17:22:28.102 | HD Request # 48 | Download start date-time: 2025-01-31 16:22:28.000000. File last date-time: 00:00:00.000000
2026-06-15 17:22:28.102 | HD Request # 48 | Error downloading historical Intraday data for {YMU26-CBOT}/{DIA}. This is not a valid formula symbol.
2026-06-15 17:22:28.102 | HD Request # 48 | Received 0 Intraday data records from 00:00:00.000000 to 00:00:00.000000 (0.0 seconds and wrote 0 records for {YMU26-CBOT}/{DIA}
2026-06-15 17:22:28.102 | HD Request # 48 | Add time&sales data | Remembered last file record date-time: 00:00:00.000000
2026-06-15 17:22:28.102 | HD Request # 48 | Completion time: 0s.
2026-06-15 17:22:28.102 | HD Request # 48 | Intraday data download complete for {YMU26-CBOT}/{DIA}. Unique request ID: 54
2026-06-15 17:22:28.102 | Removing historical data download ID 54.
2026-06-15 17:22:28.102 | Real-time Intraday chart data file updates started for {YMU26-CBOT}/{DIA}
2026-06-15 17:22:28.102 | Intraday chart data file opened for {YMU26-CBOT}/{DIA}
2026-06-15 17:22:28.102 | HD Request # 48 | Enabling Intraday chart updating for symbol.

Date Time Of Last Edit: 2026-06-15 21:28:37
imageScreenshot 2026-06-15 172232.png / V - Attached On 2026-06-15 21:26:07 UTC - Size: 76.69 KB - 44 views
[2026-06-15 22:23:58]
John - SC Support - Posts: 47426
We do not know for certain, but it is highly likely that it is related to the slash (/) that is being used to divide the two items.

We recommend using a different symbol name (one that is descriptive and does not use symbolic characters) and then enter the actual formula in the "Formula Symbol" field. Refer to steps 6 and 8 at the following link:
Custom Calculated Symbols: Instructions
For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2026-06-16 00:54:56]
joshtrader - Posts: 564
I'll try some things but as you can see from that list I have several other symbol names with a '/' in the name and they all work fine, and the {YMM26-CBOT}/{DIA} worked previously.
[2026-06-16 14:06:45]
John - SC Support - Posts: 47426
This is one of the reasons we made the change to allow a descriptive symbol and then the actual formula symbol is set elsewhere. We do not know why it would become a problem all of a sudden, but this is the first thing we recommend doing to see if it resolves the issue.
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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