Best stock screener for day trading and how to choose one honestly
There is no single best stock screener for day trading. There is the one that fits how you trade: the timeframe you trade on, the stocks you trade, and how much of the session you can watch. This page explains the difference between a screener and a real-time scanner, the criteria worth checking before you pay, and where our tool fits and where it does not.
A stock screener for day trading versus a real-time scanner
The two words are used interchangeably, but they describe different tools.
- A screener filters a list of stocks on a snapshot of data, usually end of day or delayed. You run it, read the result, and run it again later. It is great for building a list the night before or for longer timeframes.
- A real-time scanner runs continuously on live data and changes the list as stocks start or stop matching your conditions. Rows appear and disappear during the session.
For swing trading, a daily screener is often enough. For intraday trades held minutes to hours, a list built on yesterday's close misses the stock that gaps 30% at 8:15 ET or breaks out at 10:40 ET. That is why many day traders pair a daily screener with a real-time stock scanner.
When a daily screener is enough
If you trade only the open from a list built the night before, or you hold positions for days, a daily screener may cover what you need. Paying for real-time data you never look at during the session is wasted money. Be honest with yourself about when you actually trade.
Eight criteria to compare day trading screeners
Ignore feature lists that run to 200 items. These are the questions that decide whether a tool is useful at 9:31 ET.
- Data. Is it licensed real-time US market data during premarket and regular hours, or delayed by 15 minutes. Delayed data is unusable for entries.
- Premarket coverage. Does it scan from 4:00 ET, or only from the open.
- Relative volume. Is RVOL calculated for the time of day, or as today's volume against a full day's average. The second version reads low all morning.
- Float. Is float available as a filter, and is it updated after offerings and splits.
- Speed filters. Can you scan change in the last 1 and 5 minutes, new highs and halts, or only change since the prior close.
- Custom filters. Can you combine fields, for instance change in 5 minutes against ATR.
- Alerts. Can a scan result, a price level or a VWAP cross notify you by browser, email or push.
- What happens after the trade. Does the tool help you find out which scans make you money, or does that stay in a spreadsheet.
Red flags when choosing
Be careful with any product that shows profit screenshots, win rates or a ranking of its users' results. Nobody can verify them and they tell you nothing about your own trading. Be careful with "signals" sold as if they were certain. A screener or scanner shows what matches your filters. Whether you make money depends on your rules, execution and risk management.
What DayTradingSoftware is built for
We built a real-time scanner and a trading journal in one tool for active US stock traders. The scanner covers premarket gappers from 4:00 ET, intraday presets in the stock scanners for day trading section, a momentum scanner on 1 and 5 minute change, relative volume, new highs and halts. Filters include price, float, volume, gap %, RVOL, change %, ATR and sector, with custom formulas on Pro.
The part a pure screener does not do is the review. Every journal entry stores the scan state at entry, so after enough trades the analytics show which of your scans and filter ranges actually pay for you, broken down by setup, hour, price and float.
Where we are not the right fit
Honesty saves both of us time.
- We scan US stocks only. If you trade futures, forex, crypto or options flow, look elsewhere.
- We do not provide news. You check the catalyst with your own news source.
- Every plan is a paid subscription. Before you subscribe you can run a one-time sample scan on the homepage with three visible rows and one journal entry. Plans start at $49 per month.
- If you only screen once a night for swing trades, a daily screener is cheaper and may be enough.
If you want a direct comparison with a well known daily screener, read our finviz alternative for day trading page.
Test before you commit
Use the sample scan with your own price, gap and RVOL settings and check whether the columns are the ones you look at. Then create an account and run the live scanner for a week of real sessions alongside your current tool. That one week will tell you more than any comparison table.
Past performance and backtests do not guarantee future results. Trading involves substantial risk of loss.
FAQ
-
Is a free stock screener good enough for day trading
For list building the night before, often yes. For intraday entries, most free screeners use delayed or end of day data, which is too slow for trades held minutes.
-
What is the difference between a screener and a scanner
A screener filters a snapshot of data when you run it. A scanner runs continuously on live data and updates the list as stocks start and stop matching your filters.
-
Which filters matter most for day trading
Price, float, relative volume for the time of day, gap or change percent, and short-term change in 1 and 5 minutes. Spread and volume since the open keep the list tradable.
-
Does DayTradingSoftware give stock picks
No. It shows stocks that match the filters you set. It is a software tool and not investment advice.