Market scanners help you identify trading opportunities across hundreds of assets simultaneously, filtering for specific criteria like volume spikes, price breakouts, and technical patterns on AsterDEX and external platforms.
Types of Market Scanners
Volume-Based Scanners
Unusual volume detection:
- Assets with 3x+ average daily volume
- Volume breakouts preceding price moves
- Dark pool activity and institutional flow
Scanner settings:
Volume Filter Criteria:
- Current volume > 200% of 20-day average
- Minimum daily volume: $1M+
- Volume spike within last 4 hours
- Rising volume with rising price
Technical Pattern Scanners
Breakout detection:
- Resistance level breaks with volume
- Support bounces with volume confirmation
- Triangle, flag, and wedge completions
Momentum scanners:
- RSI divergences (bullish/bearish)
- MACD signal line crosses
- Moving average breakouts (20, 50, 200 EMA)
Essential Scanner Categories
Trending Market Scanners
| Scanner Type | Criteria | Best For |
|---|---|---|
| Momentum Leaders | +5% day, volume >150% avg | Bull market trending |
| Breakout Stocks | New 52-week high, volume spike | Continuation plays |
| Volume Surge | Volume >300% average | News-driven moves |
| Gap Scanners | Opening gaps >3% | Pre-market movers |
Range-Bound Market Scanners
| Scanner Type | Criteria | Best For |
|---|---|---|
| Oversold Bounce | RSI <30, touching support | Mean reversion |
| Overbought Fade | RSI >70, hitting resistance | Short opportunities |
| Consolidation Break | Narrow range for 5+ days | Volatility expansion |
| Grid Candidates | Trading in defined channel | Automated strategies |
AsterDEX-Specific Scanning
Perpetual Pro Scanners
Funding rate opportunities:
- Extreme funding rates (>±0.1%)
- Basis trading opportunities
- Cross-exchange arbitrage signals
Leverage efficiency:
- Low volatility, high volume assets
- Clear technical levels for stops
- Sufficient liquidity for size
1001x Simple Candidates
High-conviction setups:
- Clear technical breakouts
- News catalysts confirmed
- Extreme volume confirmation
- Tight stop loss levels available
Grid Trading Scanners
Range identification:
- Assets in 30+ day consolidation
- Clear support/resistance levels
- Moderate volatility (10-25% range)
- Consistent volume patterns
External Scanner Platforms
Free Scanning Tools
Finviz (crypto section):
- Basic crypto market overview
- Volume and performance filters
- Sector rotation identification
- Market cap and volume filters
TradingView Screener:
- Advanced technical indicators
- Custom formula creation
- Real-time alerts
- Multi-timeframe analysis
CoinGecko Market Scanner:
- 24h volume leaders
- Price change leaders
- New listings detection
- DeFi protocol screening
Premium Scanner Services
Benzinga Pro:
- Real-time news alerts
- Unusual options activity
- Insider trading detection
- Earnings calendar integration
Trade Ideas:
- AI-powered pattern recognition
- Real-time scanning (1-second updates)
- Backtesting scanner strategies
- Social sentiment integration
Building Custom Scanners
Technical Indicator Combinations
Breakout scanner formula:
Conditions:
1. Price > 20-day EMA
2. 20-day EMA > 50-day EMA
3. Volume > 1.5x 20-day average
4. Price within 2% of 52-week high
5. Market cap > $100M
Mean reversion scanner:
Conditions:
1. RSI < 30
2. Price touching 50-day EMA support
3. Volume spike on bounce (>120% average)
4. No major news in past 24 hours
5. Overall market not in downtrend
Volume Analysis Scanners
Smart money detection:
Volume Profile Criteria:
- High volume at support/resistance
- Volume-by-price concentration
- Large block transactions (>$100k)
- Institutional order flow patterns
Scanner Alert Management
Alert Prioritization System
Tier 1 Alerts (immediate action):
- High-volume breakouts above key resistance
- Unusual institutional activity
- Major news with technical confirmation
- Funding rate extremes >0.2%
Tier 2 Alerts (review within 1 hour):
- Technical pattern completions
- Volume spikes without clear direction
- Sector rotation signals
- Cross-asset correlation breaks
Tier 3 Alerts (end-of-day review):
- Longer-term pattern developments
- Fundamental screening results
- Sector performance rankings
- Weekly/monthly technical levels
Alert Filtering
Quality control measures:
- Minimum liquidity thresholds
- Maximum daily range limits
- News event filtering
- Market hours restrictions
Integrating Scanners with AsterDEX
Workflow Optimization
Scanner → Analysis → Execution:
- Scanner identifies opportunity (volume spike, breakout)
- Quick analysis (check news, levels, context)
- Position sizing (based on volatility and setup)
- AsterDEX execution (perpetual, spot, or grid)
- Risk management (stops, targets, monitoring)
Platform-Specific Considerations
Perpetual Pro integration:
- Check funding rates before entering
- Verify sufficient liquidity for position size
- Account for leverage requirements
- Set mark price-based stops
1001x Simple integration:
- Confirm setup justifies extreme leverage
- Ensure tight risk management possible
- Verify rapid execution capabilities
- Plan for volatility spikes
Advanced Scanner Strategies
Multi-Timeframe Scanning
Timeframe hierarchy:
- Daily scanners: Major trend direction
- 4-hour scanners: Swing trading setups
- 1-hour scanners: Day trading entries
- 15-minute scanners: Scalping opportunities
Sector Rotation Scanning
Identify leadership changes:
Sector Strength Formula:
1. Calculate sector average performance
2. Compare to broad market performance
3. Identify volume leaders within strong sectors
4. Filter for technical breakouts
5. Rank by risk-adjusted momentum
Correlation-Based Scanning
Cross-asset opportunities:
- Bitcoin dominance changes
- DeFi sector moves vs BTC
- Altcoin rotation patterns
- Traditional market correlations
Scanner Performance Tracking
Key Metrics
Scanner effectiveness:
- Alert hit rate (% leading to profitable trades)
- Average time from alert to execution
- Risk-adjusted returns per scanner type
- False positive rates
Performance optimization:
Monthly Scanner Review:
1. Analyze hit rate by scanner type
2. Identify most profitable patterns
3. Eliminate low-performing filters
4. Optimize alert thresholds
5. Backtest new combinations
Common Scanner Mistakes
- Over-filtering: Too many criteria = missing opportunities
- Under-filtering: Too many alerts = paralysis by analysis
- Ignoring context: Scanning without market regime awareness
- No follow-through: Identifying setups but not executing
- Alert fatigue: Too many notifications reducing effectiveness
Scanner Setup Checklist
Daily scanner routine:
- ✅ Review overnight market developments
- ✅ Check sector rotation and leadership
- ✅ Scan for volume and volatility spikes
- ✅ Identify key technical levels to watch
- ✅ Set up real-time alerts for the session
- ✅ Prepare position sizing for potential setups
Weekly scanner optimization:
- ✅ Review scanner performance metrics
- ✅ Adjust criteria based on market conditions
- ✅ Update watchlists with new opportunities
- ✅ Backtest new scanner combinations
- ✅ Clean up old or ineffective alerts
Market scanners are force multipliers—they help you efficiently identify opportunities across vast markets while maintaining focus on your highest-conviction setups.
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This is educational content for intermediate level traders. Practice with small amounts and always do your own research.