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Best Stock Screener 2025 — How to Find Winning Stocks Fast

A stock screener is one of the most powerful tools a trader has. Here's how to use one effectively — what filters matter, what strategies work, and why most traders use screeners wrong.

March 2025·8 min read

What is a Stock Screener?

A stock screener is a tool that filters thousands of stocks down to a shortlist based on criteria you define — RSI level, price change, volume, sector, market cap, and more.

Without a screener, finding good trade setups is like searching for a needle in a haystack. With one, you go from 500+ stocks to 10-20 candidates in seconds — then you analyze only those.

The Most Useful Screening Filters

RSI (Relative Strength Index)

Find oversold stocks (RSI < 30) ready to bounce, or overbought stocks (RSI > 70) to avoid or short.

Volume

Filter for unusually high volume — it signals institutional accumulation or distribution. Volume above 2x average is meaningful.

Price Change %

Find today's biggest movers. Combine with volume to distinguish genuine breakouts from low-liquidity moves.

Market Cap

Small caps (under $2B) offer more volatility and upside. Large caps (over $10B) offer more stability and liquidity.

Sector

Focus on sectors in favour of current macro conditions. Rising rates? Financials. Falling inflation? Growth/tech.

P/E Ratio

Low P/E can mean undervalued stock or a value trap. High P/E can mean growth stock or an overpriced one. Context matters.

4 Proven Screener Strategies

Oversold Bounce

RSI < 35Volume > 1.5x averagePrice > $5Sector: any

Stocks that have been oversold often bounce. You're buying fear. Confirm with a reversal candle pattern before entering.

Momentum Breakout

RSI 50–65Price change > +3%Volume > 2x averageMarket cap > $1B

Strong stocks getting stronger. High volume confirms institutions are buying. Buy the breakout above resistance.

Value Hunt

P/E < 15RSI 40–60Market cap > $500MPrice change -5% to +5%

Find cheap stocks in consolidation. Low P/E combined with neutral RSI means no panic — just undervalued.

Nordic/EU Opportunity

Market: DK / NO / SE / DERSI < 40Volume spikeSector: any

European and Nordic stocks are less followed by US retail traders, creating more mispricing opportunities.

Why Screen European and Nordic Stocks?

Most stock screeners only cover US markets. But some of the best opportunities are in Nordic and European markets:

  • Less retail trader competition — fewer algos and less media coverage means more mispricing
  • Novo Nordisk (Denmark) — the GLP-1 obesity drug leader, one of Europe's largest companies
  • ASML (Netherlands) — the only maker of EUV chip machines, essential monopoly
  • Equinor (Norway) — major oil & gas play with strong sovereign backing
  • Volvo, Sandvik, Atlas Copco (Sweden) — world-class industrials trading at European valuations

The Right Way to Use a Screener

Most traders use screeners as their trading strategy. That's wrong. A screener is a sourcing tool, not a signal.

Correct workflow:

  1. 1. Screen for candidates (e.g., RSI < 35, volume spike)
  2. 2. Open each chart and analyze manually — does it look like a real setup?
  3. 3. Check fundamentals — is the company actually solid?
  4. 4. Check news — is there a reason for the move?
  5. 5. Check institutional ownership — are funds buying or selling?
  6. 6. Then decide whether to trade

Try Quantara's Stock Screener — Free

554+ stocks across US, UK, Germany, Denmark, Norway and Sweden. Filter by RSI, volume, price change, sector, and market cap. Live prices via Yahoo Finance.

Open Stock Screener →