Updated · BreakPoint Research Desk
A stock scanner is a tool that checks a large universe of stocks against a set of conditions and returns only those that match — for example stocks breaking their previous day high, trading near a 52-week high, or moving sharply against the index. It turns “look through 2,000 charts” into “look at the 15 that matter today”.
Scanner results are candidates, not trades. The right way to use one is: let the scanner narrow the list, then check each result’s chart, level, market context and risk yourself before deciding.
Key takeaways
Without a scanner, finding stocks that meet a condition means opening charts one by one. With hundreds of liquid stocks on NSE alone, that is not realistic within a trading session. A scanner applies the check to every stock at once and shows the matches, usually with the key numbers alongside.
People often use “scanner” and “screener” interchangeably. In common use, screeners tend to filter on slower-changing data such as fundamentals or end-of-day values, while scanners often refer to faster, price-based and sometimes live checks. The distinction is loose; what matters is what data the tool uses and how often it updates.
| Type | What it looks for | Who uses it |
|---|---|---|
| Live movers | Biggest gainers and losers as the session unfolds, often with sector context | Intraday traders |
| Level-based | Stocks crossing reference levels such as the previous day high, low or close | Intraday and short-term traders |
| Breakout / 52-week | Stocks leaving ranges or trading near yearly highs | Swing and positional traders |
| Trend / momentum | Stocks in established uptrends or downtrends | Swing and trend-following traders |
| Pattern-based | Chart patterns or stocks whose price action resembles another | Chart-focused traders |
| Derivatives | Open interest changes, option activity, PCR | F&O traders |
| Fundamental screeners | Valuation, growth, profitability filters | Investors |
| Manual selection | Scanner-assisted | |
|---|---|---|
| Coverage | The stocks you remember to check | The whole defined universe, every time |
| Speed | Slow; limited by screen time | Seconds for the search itself |
| Consistency | Varies with mood and time available | The same conditions applied every session |
| Bias | Favourite stocks, recent news | Less, but the chosen conditions are themselves a bias |
| Judgement | Built in | Still required after the scan |
Run every result through these five checks before it becomes a trade.
1. Market context
Is the index trending in the direction of the trade? A long breakout in a falling market is a lower-quality candidate even if the scan flagged it.
2. Chart structure
Open the chart. Is there a clean trend, base or level — or is the result caused by one erratic candle or a news spike?
3. A tradeable level
Find the level that defines the trade: breakout point, previous day high or low, support zone. If the stock is already far from it, the result is late.
4. Liquidity
Check that spreads are tight and trading is active. Thin stocks often dominate percentage-based scans but are hard to trade.
5. Risk
Place the stop-loss, calculate position size and check the risk-reward. If the numbers do not work, the result goes to the watchlist or is discarded.
✅ Keep a scanner result only if
A level-based scan shows 14 stocks breaking their previous day high by 10:30 am. The index is mildly positive. The trader runs the five checks. (Numbers illustrative.)
The market was supportive, so nothing failed step one. Four results were single news candles with no base. Five had already run well past their level, leaving no nearby stop. Two traded thinly. One had a sensible level but a nearby resistance that capped the reward. Two remained, both with a level just below price and room to the next resistance.
The scanner saved the search across hundreds of stocks; the five checks cut 14 candidates to 2. Both steps are needed.
Trading the top result blindly
The first row is often the most extended stock on the list, not the best trade.
Running scans that do not match your strategy
A swing trader watching a live intraday movers scan will be tempted into trades that do not fit their holding period.
Too many scans at once
Five scanners producing 80 results recreate the problem the scanner was meant to solve.
Ignoring the time of day
Results in the first minutes are noisy; late-session results may not leave enough time for an intraday trade.
Assuming a scan equals an edge
A condition being true does not make it profitable. Test any scan idea on past charts or paper trade it before risking money.
BreakPoint runs a set of live and end-of-day scanners for Indian stocks, each built for a different trading question, and shows the context you need for the validation steps. How each scanner selects its stocks stays private; what you get is the shortlist and the context to judge it.
Live movers with context
Market Mover shows the day’s upside and downside movers with market sentiment and industry trend — steps 1 and 2 on one screen.
Level-based, live
The HLC Scanner tells you when stocks break their previous day high, low or close, so the defining level (step 3) comes with the result.
Several scans side by side
The Scanner groups stocks by the behaviour they are showing — momentum spurts, trend continuation, fresh strength — so you can pick the scan that matches your strategy.
End-of-day presets you can check
Scanner Positional offers prepared presets with the technical columns visible, so you can verify each result instead of trusting it blindly.
Comparing scanning platforms? See the side-by-side comparison of BreakPoint, Chartink, StockEdge, TradingView and others on the compare page. Scanner results also reach you on the BreakPoint mobile app.
Intraday traders
Live movers and level-based scans save the most time in the first hour.
Swing traders
End-of-day and trend scans after the close build the next day’s watchlist.
Beginners
Use scans to learn what setups look like across many stocks — and practise the five checks before trading any.
Part-time traders
End-of-day scans fit a limited schedule far better than watching live markets.
Pick by workflow, not by feature count. You can change plans later.
Free account
Start with a free account and the tool guides to understand what each scan type is for.
Free
Breakpoint Pro
Breakpoint Pro includes live scanning across 2,000+ stocks — Market Mover, HLC Scanner, the Scanner and Scanner Positional — with alerts.
₹1,299 / 28 days · ₹3,299 / 84 days
Breakpoint Pro 365
Pro 365 adds F&O scanners and dashboards, OptionX and the Nifty 500 suite.
₹7,999 / 180 days · ₹15,999 / 365 days
Still unsure? The 60-second product advisor asks four questions about how you trade and recommends one product. Prices as listed on the plans page; always confirm there before paying.
A stock scanner is software that checks many stocks against chosen conditions and lists only the matches, such as stocks breaking a level or moving sharply. It saves traders from checking charts one at a time.
A scanner takes market data for a universe of stocks, applies a set of conditions to each one — either continuously during the session or once after the close — and returns the stocks that meet them, usually with relevant values shown.
The terms overlap. Screeners are commonly associated with filtering on fundamentals or end-of-day data, while scanners often refer to price-based and real-time searches. Check what data a tool uses and how often it updates.
It is not advisable. Treat results as candidates and check the market trend, chart structure, a nearby level, liquidity and risk-reward before trading.
Use a scanner that covers your universe and matches your strategy — live scans for intraday, end-of-day scans for swing trading — and limit yourself to one or two scans so the result list stays manageable.
Intraday traders generally need live data: movers lists with market context and level-based scans such as previous day high and low breaks are the most practical. The best choice depends on the setups you trade.
A scanner accurately reports which stocks meet its conditions at that moment, subject to data quality. Whether those stocks then move profitably is a separate question that no scanner can guarantee.
Trading the top result without checking the chart, running scans that do not fit your strategy, watching too many scans, ignoring liquidity and market trend, and assuming a condition has an edge without testing it.
BreakPoint maintains a comparison page covering what BreakPoint, Chartink, StockEdge, Trendlyne, TradingView and others are each designed for, so you can match a platform to how you trade.
Open Market Mover or the HLC Scanner, pick one scan that matches your style, and run the five checks on every result.
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Terms used here: Breakout · Liquidity · Watchlist · 52-Week Range · Momentum · Backtest
This article is for education only. It is not investment advice or a recommendation to buy or sell any security. Trading involves risk of loss; examples are hypothetical and past behaviour of any pattern does not guarantee future results.