Best Gap Scanners (2026)
Gap trading is one of the most consistent edges for active day traders. The scanner needs pre-market data, gap-percentage filters, and ideally news catalyst tagging. Here are five that deliver.
The short answer
Benzinga Pro is the top pick, with Finviz and Trade Ideas as solid alternatives for best gap scanner.
1. 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
2. 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
3. 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
4. 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
5. 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
How we ranked them
Benzinga Pro #1 specifically for gap trading: pre-market data + news catalyst attribution is exactly the input gap traders need.
Finviz #2 for its gap filter on the free tier. Trade Ideas #3 for AI gap-and-go strategies. SultraxAI #4 (no pre-market refresh yet, but our movers feed catches gaps at the open). Webull #5 for execution.
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.