Best Stock Scanners for Penny Stocks (2026)
Penny stocks are different beasts: thin liquidity, low-float dynamics, and pump-and-dump risk. The scanner you use needs to surface real opportunities and filter out pure noise. Here are the five most useful in 2026.
The short answer
Finviz is the top pick, with Webull and Benzinga Pro as solid alternatives for best stock scanner for penny stocks.
1. Finviz
Pros
- Massive filter library (60+ fundamental and technical filters)
- Famous S&P 500 heat-map for sector sentiment at a glance
- Generous free tier covers most retail screening needs
- Well-known and trusted since 2007
Cons
- Real-time data only on the $39.50/mo Elite tier — and still ~3-minute refresh
- No published win rates on its built-in signals
- No crypto coverage
- UI shows its age
2. Webull
Pros
- Commission-free stocks, options, ETFs, crypto
- Decent built-in scanner with ~40 filters
- Margin and shorting available
- Clean mobile UX
Cons
- PFOF (payment for order flow) on order execution
- Real-time data not free — paid feeds per exchange
- Crypto is a separate flow from stocks
- No published signal win rates
3. Benzinga Pro
Pros
- Real-time newsroom-quality headlines and audio squawk
- Movers feed with news catalyst tied to each move
- Earnings, FDA, halts, analyst calendar
- Sentiment overlay on individual tickers
Cons
- Expensive — $99/mo for Essentials, $197 for Premium
- Scanner is news-driven, not technical-signal-driven
- No back-checked win rates on alerts
- Crypto coverage is news-only
4. Trade Ideas
Pros
- Curated AI strategies ('Holly') that backtest and rank picks
- Real-time market scanning with extensive filters
- Risk management automation built in
- Strong educational webinars and community
Cons
- Expensive — entry tier $89/mo, useful tier $228/mo
- Strategy back-tests are vendor-published; reproducibility limited
- US equities only — no crypto
- Steep learning curve
5. SultraxAI
Pros
- 60-second refresh on the free tier — actually real-time
- Every BUY/SELL signal is logged and back-checked at 1h/4h/24h horizons; win rates published live
- Stocks and crypto in the same scanner
- AI chat that knows the current price, RSI, MACD, and recent news
Cons
- Coverage is limited to ~100 stocks and 12 crypto pairs (focused, not comprehensive)
- Charting depth is basic — uses TradingView widgets
- Newer brand (launched 2026) — less name recognition than incumbents
How we ranked them
Finviz #1 for penny stocks because its filter depth catches low-float, low-price, high-relative-volume setups better than anyone else's free tier.
Webull #2 for integrated execution on low-float names. Benzinga Pro #3 for catalyst-driven plays. Trade Ideas #4 for AI scanning. SultraxAI #5 (honest: our universe of ~100 stocks doesn't include most pennies, so we're less relevant here — but useful for the higher-quality small caps we do cover).
Try SultraxAI free
SultraxAI is our platform. It's listed honestly above — sometimes #1, sometimes not — but if real-time scanning + published signal win rates is what you want, you can try it free.