Trading Desk Setup: What the Platforms and OSHA Actually Specify
A trading desk setup is the computer, screens, internet connection and seating a trader works from. What it needs is set by two published sources: the trading platform's own system requirements, and ergonomic guidance on screen distance and angle, such as OSHA's.
A trading desk setup is the physical place a trader works from: the computer that runs the platform, the screens, the internet connection, the desk and the chair. Most advice about it is taste. Two parts are not, because they are written down by someone accountable for them: what the trading software says it needs, and how far and at what angle a screen should sit. This page collects both, as published on 26 September 2026, and works through the arithmetic that follows.
How it works
The platform sets the floor. Charting and order software runs on the computer, and each vendor publishes the operating system, processor and memory it expects. A machine below that line can still start the program and then stall when many charts update at once, which is the moment a trader least wants it.
The screens set the working area. More pixels fit more charts, and more screens spread them out. Both only help if the eyes and neck can reach the screens without strain for a whole session.
The connection carries the quotes and the orders. Trader Workstation’s page names broadband as the minimum connection, and a single line is also a single point of failure while a position is open.
The desk and chair hold the body in place for hours. This is where the ergonomic guidance comes in: how far away the screens sit, how high, and how far to the side.
What the platforms ask for
These are the vendors’ own words, checked on each page on 26 September 2026. Vendors revise them, so check again before buying.
Trader Workstation (Interactive Brokers). Minimum on a PC: Windows 10, an Intel i5, 8 GB of memory and a 2K screen. Recommended: Windows 11, an Intel i7 or better, 16 GB and a 4K screen. The Mac columns list macOS 14 with an M1 or Intel i5 as the minimum. The page calls broadband the minimum connection, and says users running more than 15 chart windows at once may need to raise the memory given to the program to at least 2 GB.
NinjaTrader 8 (desktop). Minimum: Windows 11 or Windows Server 2016 or later, 64-bit, a 1 GHz 64-bit processor, 2 GB of memory and a 1024 x 768 screen, with a DirectX 10 graphics card “highly recommended”. Recommended: a 2 GHz quad-core processor, 8 GB of memory and a solid-state drive. The page lists Windows only.
TradingView Desktop. Windows 10 (version 22H2) or Windows 11 (version 22H2 or newer) on a 64-bit Intel or AMD processor, with ARM not supported, or macOS 12 Monterey or newer on an Intel processor or Apple Silicon. No memory figure is given, and the page notes that IPv6 is not supported.
thinkorswim (Charles Schwab). The technical FAQ lists Windows 11 or above and macOS 14 Sonoma or above. It gives no memory or processor figure.
Read the recommended column. The minimums describe what starts. The recommended figures describe what the vendor expects a working layout to need, and on these pages they are four times the minimum memory on NinjaTrader and double it on Trader Workstation.
How many screens, and how far away
The US Occupational Safety and Health Administration (OSHA) publishes the placement rules. Its computer workstation guide puts the preferred viewing distance at 20 to 40 inches (50 to 100 cm) from the eyes, the top of the screen at or slightly below eye level, and the center 15 to 20 degrees below it. It says monitors should not sit farther than 35 degrees to the left or right, and suggests tilting the screen back no more than 10 to 20 degrees.
The 35-degree limit is where extra screens run into trouble. A row of flat screens gets wider with every one added, and the outer ones end up at the edge of that angle. Pushing the whole row back, within the 40-inch limit, brings them in. Angling the side screens toward the chair keeps each one facing the eyes, but it does not narrow the angle, because the outer edge swings closer as it turns.
Pixels and size are separate choices. A 27-inch screen at 2560 x 1440 has 3,686,400 pixels, about 1.78 times a 1920 x 1080 screen, and a 3840 x 2160 (4K) screen has 8,294,400, four times as many. Pixel density is the diagonal pixel count divided by the diagonal in inches: 91.8 per inch for a 24-inch 1080 screen, 108.8 for a 27-inch 1440 screen and 163.2 for a 27-inch 4K. Text on a denser screen is smaller unless the operating system scales it up. OSHA’s own note is that text size may need raising on smaller monitors, and a dense screen needs the same care.
A worked example
Two 27-inch screens side by side, eyes 28 inches away. The distance sits inside OSHA’s 20 to 40 inch range.
- Width of one screen. A 16:9 panel’s width is its diagonal times 16 divided by the square root of 16 squared plus 9 squared (18.36). So 27 x 16 / 18.36 = 23.53 inches wide, and 27 x 9 / 18.36 = 13.24 inches tall.
- Width of the row. Two panels flat and touching: 2 x 23.53 = about 47.1 inches.
- Angle to the outer edge. Half the row is 23.53 inches out from the center. The angle is the arctangent of 23.53 / 28, which is 40.0 degrees.
- What OSHA’s limit allows at this distance. 35 degrees either side spans 2 x 28 x tan(35°) = 39.21 inches of flat width, about 7.9 inches less than the row.
What the numbers mean. The middle of each screen sits 22.8 degrees out, inside the limit, but the outer 3.9 inches of each one fall past 35 degrees. Pushing the row back to 40 inches brings the edges to 30.5 degrees. Angling the two panels in does the opposite: hinged at their inner edges and turned 20 degrees toward the chair, the outer edges sit at 47.9 degrees, because they end up closer to the eyes as well as off to the side. Add a third flat screen at 28 inches and the centers of the outer two sit at 40.0 degrees.
The original data
What each platform publishes, side by side. The figure below is drawn from the four vendors’ pages as read on 26 September 2026. Every entry is in the platform requirements file with the exact wording it came from.
Reading the table. Two of the four vendors publish a memory figure and two do not. Where a figure exists, the recommended column is 4 times the minimum on NinjaTrader (8 GB against 2 GB) and 2 times on Trader Workstation (16 GB against 8 GB). The operating system lines are the ones most likely to rule out an older computer: thinkorswim lists Windows 11 or above, and the only desktop version of Windows on NinjaTrader’s list is Windows 11.
The geometry for one, two and three screens. The angles below are computed for 27-inch 16:9 panels in a flat row, centered on the eyes, at a 28-inch distance. The same arithmetic for 24, 27 and 32-inch panels at 20, 28 and 40 inches is in the monitor geometry file. At 28 inches, one screen reaches 22.8 degrees, two reach 40.0 degrees and three reach 51.6 degrees, and the two-screen row is 20% wider than the 39.21 inches the 35-degree limit allows.
When it fails
The desk becomes the project. A setup can absorb money and attention that were meant for learning to trade. None of the platform pages above asks for more than one screen, and none recommends more than 16 GB of memory.
More screens, more to watch. Every extra chart is another thing that can pull attention away from the one position that is open. The side screens are best kept for things that change slowly.
One line, one point of failure. If the only internet connection drops with a position open, the platform cannot send the exit. Knowing the broker’s phone desk number, or keeping a phone that can reach the account over a mobile network, covers that gap.
Minimum specs under a heavy layout. Trader Workstation’s own page warns that more than 15 charts may need extra memory. A machine bought to the minimum column can show its limits on a fast day, when the charts are all updating at once.
Posture drift over a long session. The OSHA figures describe a starting position. A chair pushed back or a laptop lid lowered through the day moves the screen out of that range without anyone noticing.
Related
Trading hotkeys covers the keyboard side of the desk, and what goes wrong when a single key sends an order. Day trading sets out the style most of these setups are built for and what it costs per trade. The level 2 page explains the order book window that often takes one of the extra screens. And setting up TradingView walks through laying out the charts once the screens are in place.
Open your platform’s own requirements page before you buy anything for the desk, and size the computer to the recommended column, not the minimum. Then put the screen you trade from directly in front of you and let the others sit to the side.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.