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Database File Limits

These tools have been developed for legacy versions of Investor/RT (13 or older) which were 32-bit applications. Investor/RT14 and higher use a 64-bit database, removing past size limitations of earlier 32 bit versions

Diagnosing Historical Database Usage

Smart Tick Compression

Smart Compression of Tick Data can be turned on by choosing Setup > Preferences > Historical Data from the main menu and checking the check box titled "Use Smart Compression of Tick Data."

During our testing, Smart Compression reduced the tick data for typical futures contracts (number of ticks) consistently by over 85%. Users can now store approximately 7 times as much tick data in the same amount of space. This compression has a number of very positive impacts on the performance and capability of IRT such as:

Customizing the Main Toolbar

To customize the icons on the Main Toolbar, go to Setup: Preferences: Main Toolbar. Use this window to choose which buttons you would like to appear in your main toolbar:

Object Manager

The Object Manager is an essential tool in Investor/RT. Understanding its role is important for new users.. Please take the time to review this article thoroughly and familiarize yourself with the Object Manager as this feature is critical to your success with Investor/RT. The Object Manger serves as a "central hub" in Investor/RT to mainipulate (Open, Edit, Delete, etc.) most of the elements within the program. It serves as a "Jumping off" or starting point to reach amost any Object including the following:

Why are all Windows Floating?

This article applies to the Windows edition of Investor/RT. By design, Investor/RT for Windows does not have minimize, maximize, restore buttons on the title bar, only the close button. All windows, charts, quote pages, preferences windows, object manager, etc. are floating windows. The benefit of this approach is two-fold: (a) any window is eligible to be positioned on any monitor you wish; windows are not confined to the main Investor/RT window, and (b) all windows are equals; any window can be brought fully to the front and can float above other open windows.

Brokers Data vs. other Feeds

While realtime data fed providers such as IQFEED or eSignal send every trade (tick) along with associated bid & ask, some brokers or data providers (such as Interactive Brokers, TDA/TOS or TradingView)  send what they call "snapshot" quotes every 300ms (or so) in active markets. The pricing data is a compressed snapshot of all trades that occurred within that 300ms (3/10ths of a second). So if 5 ticks occurred very close together, they might all be sent in as a single snapshot quote, with Investor/RT in turn treating it as a single tick or trade. 

Installing Investor/RT on Macintosh

Linn Software no longer distributes the previous 32-bit versions of Investor/RT that ran natively on Mac OS (up to Mojave 10.14).
Prospective users with Apple hardware, running the latest MacOS with M1/M2 chips, should instead install the latest 64-bit version (Investor/RT 15) under Windows11 virtualisation using the latest version of Parallels Desktop software. This environment provides the same level of performance as a native Windows machine.

Adjusting for Daylight Saving Time

IMPORTANT

If you have run Investor/RT without closing it through the weekend when Daylight Saving Time (DST) changes took place in the US, it is recommended that you exit Investor/RT and start up again.

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