AmiBroker 5.10.0 Release Candidate 1 (RC1)

A new Release Candidate (RC1) version (5.10.0) of AmiBroker has just been released.

It is available for everyone from:

(hit "REFRESH" button in your browser if you see old contents only)

It includes all updated documentation, examples, sample database. The "release candidate" means that if no significant bugs are found within 14 days from today this version becomes official release.

Existing users should use "UPGRADE" version only, to keep their existing data untouched.

CHANGES FOR VERSION 5.10.0 (as compared to 5.00.0)

  1. Small improvement in axis font positioning - based on TEXTMETRIC
  2. Removed 1-pixel rendering overlap in multi-colored chart titles when ClearType was enabled
  3. Hi-Res (256x256) alpha Vista icon
  4. Quote array now uses HeapRealloc instead of HeapAlloc/HeapFree combination
  5. Fixed rare crash @433F58
  6. Fixed account manager updating cash after exiting short trade
  7. Web Browser window does not flicker anymore when resizing

The FULL CHANGE LOG is included in the ReleaseNotes.html document that is installed with the software.

Users upgrading from previous versions should read "What's New" section of the Users' Guide.


  1. The upgrade is FREE for all users who registered AmiBroker after July 18, 2004
  2. The users who purchased AmiBroker before July 18, 2004 would need to buy upgrade if they want to use this newest version ($99 - Standard Edition, $139 - Professional). If you don't want to pay - you may continue using previous version(s) infinitely.
  3. To find out when you have purchased AmiBroker and how long your free upgrade period is, use "Account Information" page in the members area at:
  4. To purchase new license or upgrade please use our ordering page at:


  1. If you are using Firewall you may need to check if it did not block Broker.EXE file after upgrade. (It happened to some users that firewall blocked AmiBroker after upgrade and they could not connect to RT data sources due
  2. If your formula uses the following names: switch, case, break, continue, default as user-defined variable identifier then you would need to rename them. To do so follow the instructions in this article:

TC2007 plugin updated

A new updated plugin (version 1.4.4) for TC2000/2005/2007/TCNet is now available for upload from:

The plugin update is required only for TC2007 users (users of any previous versions of TC200x can continue using old plugin or may use new one).

If you are using TC2007 and it is fresh machine you need to download new plugin 1.4.4 from and copy it to AmiBroker's Plugin subfolder (overwriting existing one).
The new plugin is identical to previous version 1.4.3 except it adds check for HKEY_LOCAL_MACHINE\Software\Worden Brothers inc\TeleChart 2007 registry key created by TC2007.

Interactive Brokers data plugin v1.7.0 released

A new Interactive Brokers plugin version 1.7.0 has been released. It is available for download from:

More information and set-up instructions:

CHANGES AS COMPARED to version 1.6.8

  1. Open price available in RT quote window (for stocks)
  2. Extended backfill 180+ days (experimental / may be slow / subject to IB throttling)
  3. Better automatic reconnection handling (resubscribe all symbols) on network disconnection
  4. Updated error code handling (code 162 - data pacing violation)
  5. Updated to use new TWS API 9.41

This is recommended upgrade for all IB users.