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Investopedia: Best Short Term Stock Screener, 2024
TI Pro toolbar latency readout.
The short answer: Trade Ideas is real-time. Streaming Alerts fire on every qualifying trade, and Top Lists update every 15 seconds. The TI Pro toolbar also shows a live latency reading at the far right: the round trip from your computer to our servers, 37 ms in the screenshot on this page. It varies with your connection and location, and you can check it yourself.
In one minute
How fast is Trade Ideas, in one minute
Alerts: Streaming Alerts (Scanner) fire on every qualifying trade, with no refresh timer.
Lists: Top Lists (Screeners) update every 15 seconds.
Your connection: the TI Pro toolbar shows a live latency reading, the round trip from your computer to our servers, so you can see it for yourself.
Proof on screen
The ms number in the TI Pro toolbar
Key point
At the far right of the TI Pro toolbar is a small reading in milliseconds. It measures the round trip from your computer to our servers and back. In the screenshots below it reads 37 ms.
The far right of the TI Pro toolbar, from a screenshot by Daniel Mirkin, October 2026. The reading was 37 ms at that moment: the round trip from that computer to our servers. Yours will differ with your connection and location.
What the number is not: it isn't the time from a trade printing on an exchange to an alert on your screen, and it isn't a promise. It changes with your internet connection, your network and how far you are from our servers, and it can move during the day. What it gives you is a reading you can watch yourself instead of taking anyone's word for it.
Scanner
Streaming Alerts fire on every trade
Trader tip
Streaming Alerts, the scanner, don't poll on a schedule. Each of the 308 alerts fires on the trade that meets its condition, so a new high or a volume spike reaches your window as it happens rather than at the next refresh. See the momentum stock scanner page for the alerts traders use most.
Screener
Top Lists (Screeners) update every 15 seconds
Top Lists, the screener, rank the market on 249 filters and update every 15 seconds. They are built for where a stock stands right now; alerts are built for the moment something happens. Many traders run both side by side.
Your side
What affects speed on your side
Key point
The toolbar reading is mostly about the path between your computer and our servers. Three things on your side shape it.
Your internet connection. A steady connection matters more than a big download speed. If other people or devices on the same line are streaming video or uploading files, the reading can rise and jump around. A VPN adds another hop on the way to our servers.
Wi-Fi vs wired. Wi-Fi shares the air with nearby networks and loses strength through walls, so it tends to be less steady than a cable. If your reading is uneven, try plugging the computer straight into your router with an Ethernet cable and compare.
Your distance from our servers. Data takes longer to travel farther, so a trader far from our servers will see a higher reading than one nearby on the same kind of connection. That part isn't something settings can change.
Trader tip
Your computer plays a part too: one that is short on memory or running many heavy windows can feel slow even with a good connection. If the reading climbs, check these first. Because the number is on screen all day, you can see the effect of each change yourself.
The whole desk on one screen in TI Pro.
Try it
Check it yourself
Open TI Pro and look at the far right of the toolbar. TI Pro runs on Windows, and on a Mac through Parallels; the Web Dashboard runs in any browser. To try it, open a free account. If you test a setup in OddsMaker (TI Premium), keep in mind:
Past results, including backtests, don't guarantee future results.
FAQ
Speed FAQ
Is Trade Ideas real-time?
Yes. Streaming Alerts fire on every qualifying trade, and Top Lists (Screeners) update every 15 seconds.
What does the ms number in the toolbar mean?
It is the round trip from your computer to Trade Ideas servers, in milliseconds. It is not trade-to-alert time, and it varies with your connection and location.
How fast is Trade Ideas?
Streaming Alerts fire as trades print and Top Lists update every 15 seconds. Your own connection speed shows live in the TI Pro toolbar.
Is there a stock scanner delay?
Streaming Alerts have no refresh timer; they fire on the trade. Top Lists refresh every 15 seconds. Your network can add delay, which the toolbar reading helps you spot.
Is 37 ms what I will see?
Not necessarily. 37 ms was one reading on one computer. Yours depends on your internet connection, network and location.
Does Wi-Fi make a stock scanner slower?
It can. Wi-Fi tends to be less steady than a wired Ethernet connection, so the latency reading may be higher or jumpier. Plug in with a cable and watch the toolbar number to compare.
Which is the fastest stock scanner?
Speed depends on how a scanner gets data and on your own connection. With Trade Ideas you can see your round trip to our servers on screen and judge for yourself.
