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Date/Time: Sun, 17 Aug 2025 08:19:54 +0000



Post From: 5s Delay in downloading intraday data after changing to new ticker without historical data

[2025-08-06 03:35:51]
User109849 - Posts: 5
Hello Good Morning/Evening.

Feed: SC NQTV
Broker: IBKR

I'm trying to understand about the 5 second delay between changing a ticker and data download starting.

To make chart-flipping quick, I've configured to only download 5 day intraday data in 30s intervals only.
While after starting, the download only takes 1-2 seconds, but starting the download takes 5 seconds every time i change ticker.

This makes changing new tickers (for stock trading) a tid bit slower if the Historical data isn't present. If the data is present it's quite fast but since i use certain 3rd party scanners, i've to quickly flip charts and this 5 second delay is problematic.

For your reference i'm attaching 3x logs with only relevant information and reloading 1m chart on a blank chartbook.


2025-08-05 23:12:30.342 | Unset |
2025-08-05 23:12:34.057 | Unset | Enabling compression for file: C:\SierraChart_IB\Data\AVPT.scid
2025-08-05 23:12:34.058 | Chart | AVPT[M] 1 Min #1 | Reloading chart.
2025-08-05 23:12:34.069 | Chart | AVPT[M] 1 Min #1 | Currently no data in file to display. Will start historical data download and real-time updates. File: C:\SierraChart_IB\Data\AVPT.scid
2025-08-05 23:12:34.070 | Chart | AVPT[M] 1 Min #1 | Chart data loading complete.
2025-08-05 23:12:34.071 | Unset | Mapping AVPT to AVPT. Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:12:34.071 | External Service | Denali Data Feed | Starting real-time market data updates for: AVPT (AVPT). ID: 143 Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:12:34.071 | External Service | Denali Data Feed | Requesting security definition data for: AVPT (AVPT). ID: 143
2025-08-05 23:12:34.071 | Historical Data | Added historical Intraday data request for AVPT to the queue.
2025-08-05 23:12:34.071 | Unset | Intraday data recording state for symbol AVPT is set to download 'Pending'.
2025-08-05 23:12:34.071 | Historical Data | Triggering next historical data download in queue.
2025-08-05 23:12:34.071 | Historical Data | Delaying start of download for AVPT.
2025-08-05 23:12:34.133 | External Service | Denali Data Feed | Setting external service identifier for symbol AVPT to 443
2025-08-05 23:12:34.133 | External Service | Denali Data Feed | Received security definition for symbol AVPT
2025-08-05 23:12:39.828 | Historical Data | HD Request # 2267 | Downloading Intraday chart data for AVPT to the file AVPT.scid. Service: us_equities_utp_cta_exchange.data
2025-08-05 23:12:39.828 | Historical Data | HD Request # 2267 | Download start date-time: 2025-07-26 23:12:39.000000. File last date-time: 00:00:00.000000
2025-08-05 23:12:39.828 | Historical Data | HD Request # 2267 | Using server: ds30.sierracharts.com port 10149
2025-08-05 23:12:39.828 | Network | Socket (4) | Creating socket.
2025-08-05 23:12:39.828 | Network | Socket (4) | New receive buffer size: 0
2025-08-05 23:12:39.828 | Network | Socket (4) | Connecting to IP: 67.214.125.11.
2025-08-05 23:12:39.893 | Historical Data | HD Request # 2267 | Setting DTC encoding to Binary VLS
2025-08-05 23:12:39.893 | Historical Data | HD Request # 2267 | Sending historical data logon request message.
2025-08-05 23:12:39.964 | Historical Data | HD Request # 2267 | Requesting Intraday data. Start date-time: 2025-07-26 23:12:39. Record interval: 30. Symbol: AVPT
2025-08-05 23:12:39.995 | Historical Data | HD Request # 2267 | Decompressing data.
2025-08-05 23:12:40.028 | Historical Data | HD Request # 2267 | Receiving Intraday data for AVPT starting at 2025-07-28 05:03:40.642003
2025-08-05 23:12:40.137 | Network | Socket (4) | CloseSocket call.
2025-08-05 23:12:40.137 | Network | Socket (4) | Shutdown started. Waiting for graceful close.
2025-08-05 23:12:40.139 | Historical Data | Historical data download thread signaled to stop.
2025-08-05 23:12:40.139 | Historical Data | HD Request # 2267 | Timestamp of first Intraday data file record written: 2025-07-28 05:03:40.642003.
2025-08-05 23:12:40.139 | Historical Data | HD Request # 2267 | Received 3852 Intraday data records from 2025-07-28 05:03:40.642003 to 2025-08-05 18:40:20.978000 (8.6 days. Delay: 4.5 hours) and wrote 3852 records for AVPT
2025-08-05 23:12:40.141 | Historical Data | HD Request # 2267 | Completion time: 1s.
2025-08-05 23:12:40.141 | Historical Data | HD Request # 2267 | Intraday data download complete for AVPT. Unique request ID: 2542
2025-08-05 23:12:40.141 | Unset | Removing historical data download ID 2542.
2025-08-05 23:12:40.141 | Unset | Real-time Intraday chart data file updates started for AVPT
2025-08-05 23:12:40.141 | File System | Opened cached Intraday file: C:\SierraChart_IB\Data\AVPT.scid. Thread ID: 48980
2025-08-05 23:12:40.141 | Unset | Intraday chart data file opened for AVPT
2025-08-05 23:12:40.141 | Historical Data | HD Request # 2267 | Enabling Intraday chart updating for symbol.
2025-08-05 23:12:40.141 | Historical Data |
2025-08-05 23:12:40.141 | Historical Data | No download requests in the queue to start downloads for.
2025-08-05 23:12:40.166 | Network | Socket (4) | Socket gracefully closed by remote side.
2025-08-05 23:12:40.167 | Network | Socket (4) | Closed.


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2025-08-05 23:16:27.969 | Chart | BALL[M] 1 Min #1 | Reloading chart.
2025-08-05 23:16:27.986 | Chart | BALL[M] 1 Min #1 | Chart data loading complete.
2025-08-05 23:16:27.988 | Unset | Mapping BALL to BALL. Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:16:27.988 | External Service | Denali Data Feed | Starting real-time market data updates for: BALL (BALL). ID: 144 Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:16:27.988 | External Service | Denali Data Feed | Requesting security definition data for: BALL (BALL). ID: 144
2025-08-05 23:16:27.988 | Historical Data | Added historical Intraday data request for BALL to the queue.
2025-08-05 23:16:27.988 | Unset | Intraday data recording state for symbol BALL is set to download 'Pending'.
2025-08-05 23:16:27.988 | Historical Data | Triggering next historical data download in queue.
2025-08-05 23:16:27.990 | Historical Data | Delaying start of download for BALL.
2025-08-05 23:16:28.066 | External Service | Denali Data Feed | Real-time data for symbol BALL is currently unavailable.
2025-08-05 23:16:28.066 | External Service | Denali Data Feed | Setting external service identifier for symbol BALL to 444
2025-08-05 23:16:28.066 | External Service | Denali Data Feed | Received security definition for symbol BALL
2025-08-05 23:16:33.831 | Historical Data | HD Request # 2268 | Downloading Intraday chart data for BALL to the file BALL.scid. Service: us_equities_utp_cta_exchange.data
2025-08-05 23:16:33.832 | Historical Data | HD Request # 2268 | Download start date-time: 2025-08-05 19:05:53.000000. File last date-time: 2025-08-05 19:05:53.000000
2025-08-05 23:16:33.832 | Historical Data | HD Request # 2268 | Using server: ds31.sierracharts.com port 10150
2025-08-05 23:16:33.832 | Network | Socket (4) | Creating socket.
2025-08-05 23:16:33.832 | Network | Socket (4) | New receive buffer size: 0
2025-08-05 23:16:33.832 | Network | Socket (4) | Connecting to IP: 64.152.155.116.
2025-08-05 23:16:33.886 | Historical Data | HD Request # 2268 | Setting DTC encoding to Binary VLS
2025-08-05 23:16:33.886 | Historical Data | HD Request # 2268 | Sending historical data logon request message.
2025-08-05 23:16:33.951 | Historical Data | HD Request # 2268 | Requesting Intraday data. Start date-time: 2025-08-05 19:05:53. Record interval: 30. Symbol: BALL
2025-08-05 23:16:33.977 | Historical Data | HD Request # 2268 | Decompressing data.
2025-08-05 23:16:33.998 | Historical Data | HD Request # 2268 | Receiving Intraday data for BALL starting at 2025-08-05 19:05:53.983000
2025-08-05 23:16:33.999 | Network | Socket (4) | CloseSocket call.
2025-08-05 23:16:33.999 | Network | Socket (4) | Shutdown started. Waiting for graceful close.
2025-08-05 23:16:33.999 | Historical Data | Historical data download thread signaled to stop.
2025-08-05 23:16:34.000 | Historical Data | HD Request # 2268 | Timestamp of first Intraday data file record written: 2025-08-05 19:05:53.983000.
2025-08-05 23:16:34.000 | Historical Data | HD Request # 2268 | Received 1 Intraday data record from 2025-08-05 19:05:53.983000 to 2025-08-05 19:05:53.983000 (0.0 seconds. Delay: 4.2 hours) and wrote 1 record for BALL
2025-08-05 23:16:34.002 | Historical Data | HD Request # 2268 | Completion time: 1s.
2025-08-05 23:16:34.002 | Historical Data | HD Request # 2268 | Intraday data download complete for BALL. Unique request ID: 2543
2025-08-05 23:16:34.002 | Unset | Removing historical data download ID 2543.
2025-08-05 23:16:34.002 | Unset | Real-time Intraday chart data file updates started for BALL
2025-08-05 23:16:34.002 | File System | Opened cached Intraday file: C:\SierraChart_IB\Data\BALL.scid. Thread ID: 48980
2025-08-05 23:16:34.002 | Unset | Intraday chart data file opened for BALL
2025-08-05 23:16:34.002 | Historical Data | HD Request # 2268 | Enabling Intraday chart updating for symbol.
2025-08-05 23:16:34.002 | Historical Data |
2025-08-05 23:16:34.002 | Historical Data | No download requests in the queue to start downloads for.
2025-08-05 23:16:34.022 | Network | Socket (4) | Socket gracefully closed by remote side.
2025-08-05 23:16:34.022 | Network | Socket (4) | Closed.


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2025-08-05 23:17:49.191 | System | Software version: 2775 64-bit
2025-08-05 23:17:49.192 | System | OpenGL enabled (NVIDIA Corporation/NVIDIA GeForce GTX 1070/PCIe/SSE2)
2025-08-05 23:17:49.192 | System | Primary Thread ID: 48980
2025-08-05 23:17:49.192 | System | Usage end date: 2026-04-04
2025-08-05 23:17:49.192 | System | Enabled for: Advanced Features 2.
2025-08-05 23:17:49.192 | System | Enabled for: Sierra Chart Historical Data Service.
2025-08-05 23:17:49.192 | System | Enabled for: Denali Real-Time Exchange Data Feed.
2025-08-05 23:17:49.192 | System | Enabled for: Delayed Denali Exchange Data Feed.
2025-08-05 23:17:49.192 | System | Enabled for exchange2: US Equities Consolidated Tape
2025-08-05 23:17:49.192 | System | Enabled for exchange2: CBOE Global Indexes
2025-08-05 23:17:49.192 | System | Allow Support for Sierra Chart Data Feeds is enabled.
2025-08-05 23:17:49.192 | System | Current selected Data/Trading service: Interactive Brokers
2025-08-05 23:17:49.192 | System | Custom symbol settings values: enabled
2025-08-05 23:17:49.192 | System | Chart Update Interval: 10
2025-08-05 23:17:49.192 | System | Intraday Data Storage Time Unit: 30
2025-08-05 23:17:49.192 | System | Time Zone: -04:00:00 (EST-05EDT+01,M3.2.0/02:00,M11.1.0/02:00)
2025-08-05 23:17:49.192 | System | 2025-08-06 03:17:49 Local computer time in UTC
2025-08-05 23:17:49.192 | System | 2025-08-05 23:17:49 Local computer time in SC Time Zone
2025-08-05 23:17:49.192 | System | 2025-08-01 00:46:25 Server time in UTC
2025-08-05 23:17:49.192 | System | Local computer UTC time and Server UTC time difference: 1 seconds.
2025-08-05 23:17:49.192 | System | Program path: C:\SierraChart_IB\
2025-08-05 23:17:49.192 | System | Data Files path: C:\SierraChart_IB\Data\
2025-08-05 23:17:49.193 | System | OS Version Number: 10.0
2025-08-05 23:17:49.193 | System | Locale Setting: C
2025-08-05 23:17:49.193 | System | DLLs: Sierra_to_IB_64.dll, UserContributedStudies.dll, UserContributedStudies_64.dll
2025-08-05 23:17:49.193 | System | Allowed protected custom studies:
2025-08-05 23:17:49.193 | System | Crash reporter started: true
2025-08-05 23:17:49.193 | Unset |
2025-08-05 23:17:51.415 | Unset | Enabling compression for file: C:\SierraChart_IB\Data\IAC.scid
2025-08-05 23:17:51.416 | Chart | IAC[M] 1 Min #1 | Reloading chart.
2025-08-05 23:17:51.428 | Chart | IAC[M] 1 Min #1 | Currently no data in file to display. Will start historical data download and real-time updates. File: C:\SierraChart_IB\Data\IAC.scid
2025-08-05 23:17:51.429 | Chart | IAC[M] 1 Min #1 | Chart data loading complete.
2025-08-05 23:17:51.429 | Unset | Mapping IAC to IAC. Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:17:51.430 | External Service | Denali Data Feed | Starting real-time market data updates for: IAC (IAC). ID: 145 Service code: us_equities_utp_cta_exchange.data
2025-08-05 23:17:51.430 | External Service | Denali Data Feed | Requesting security definition data for: IAC (IAC). ID: 145
2025-08-05 23:17:51.430 | Historical Data | Added historical Intraday data request for IAC to the queue.
2025-08-05 23:17:51.430 | Unset | Intraday data recording state for symbol IAC is set to download 'Pending'.
2025-08-05 23:17:51.430 | Historical Data | Triggering next historical data download in queue.
2025-08-05 23:17:51.430 | Historical Data | Delaying start of download for IAC.
2025-08-05 23:17:51.494 | External Service | Denali Data Feed | Setting external service identifier for symbol IAC to 568
2025-08-05 23:17:51.494 | External Service | Denali Data Feed | Received security definition for symbol IAC
2025-08-05 23:17:56.835 | Historical Data | HD Request # 2269 | Downloading Intraday chart data for IAC to the file IAC.scid. Service: us_equities_utp_cta_exchange.data
2025-08-05 23:17:56.835 | Historical Data | HD Request # 2269 | Download start date-time: 2025-07-26 23:17:56.000000. File last date-time: 00:00:00.000000
2025-08-05 23:17:56.835 | Historical Data | HD Request # 2269 | Using server: ds33.sierracharts.com port 10149
2025-08-05 23:17:56.835 | Network | Socket (4) | Creating socket.
2025-08-05 23:17:56.835 | Network | Socket (4) | New receive buffer size: 0
2025-08-05 23:17:56.835 | Network | Socket (4) | Connecting to IP: 69.39.70.245.
2025-08-05 23:17:56.899 | Historical Data | HD Request # 2269 | Setting DTC encoding to Binary VLS
2025-08-05 23:17:56.899 | Historical Data | HD Request # 2269 | Sending historical data logon request message.
2025-08-05 23:17:56.971 | Historical Data | HD Request # 2269 | Requesting Intraday data. Start date-time: 2025-07-26 23:17:56. Record interval: 30. Symbol: IAC
2025-08-05 23:17:56.998 | Historical Data | HD Request # 2269 | Decompressing data.
2025-08-05 23:17:57.032 | Historical Data | HD Request # 2269 | Receiving Intraday data for IAC starting at 2025-07-28 09:30:01.289000
2025-08-05 23:17:57.114 | Network | Socket (4) | CloseSocket call.
2025-08-05 23:17:57.114 | Network | Socket (4) | Shutdown started. Waiting for graceful close.
2025-08-05 23:17:57.115 | Historical Data | Historical data download thread signaled to stop.
2025-08-05 23:17:57.116 | Historical Data | HD Request # 2269 | Timestamp of first Intraday data file record written: 2025-07-28 09:30:01.289000.
2025-08-05 23:17:57.116 | Historical Data | HD Request # 2269 | Received 3553 Intraday data records from 2025-07-28 09:30:01.289000 to 2025-08-05 19:19:30.353001 (8.4 days. Delay: 4.0 hours) and wrote 3553 records for IAC
2025-08-05 23:17:57.118 | Historical Data | HD Request # 2269 | Completion time: 1s.
2025-08-05 23:17:57.118 | Historical Data | HD Request # 2269 | Intraday data download complete for IAC. Unique request ID: 2544
2025-08-05 23:17:57.118 | Unset | Removing historical data download ID 2544.
2025-08-05 23:17:57.118 | Unset | Real-time Intraday chart data file updates started for IAC
2025-08-05 23:17:57.118 | File System | Opened cached Intraday file: C:\SierraChart_IB\Data\IAC.scid. Thread ID: 48980
2025-08-05 23:17:57.118 | Unset | Intraday chart data file opened for IAC
2025-08-05 23:17:57.118 | Historical Data | HD Request # 2269 | Enabling Intraday chart updating for symbol.
2025-08-05 23:17:57.118 | Historical Data |
2025-08-05 23:17:57.118 | Historical Data | No download requests in the queue to start downloads for.
2025-08-05 23:17:57.143 | Network | Socket (4) | Socket gracefully closed by remote side.
2025-08-05 23:17:57.143 | Network | Socket (4) | Closed.

Date Time Of Last Edit: 2025-08-06 03:38:04