Overview

The GEX Screener is our flagship tool for analyzing options market data through Gamma Exposure (GEX) analysis. It helps traders identify potential support and resistance levels based on market maker positioning.

Key Features

Advanced filtering by market cap, index membership, and price range
Real-time gamma exposure analysis across multiple expiration dates
Interactive charts with TradingView integration
Premium features for historical analysis and advanced positioning
Pagination and efficient data handling for large datasets

Getting Started

Quick Start

Create a free account or sign in
Navigate to the Screener page
Start with basic filters to explore the data
Click "View" on any stock to see detailed analysis
Consider upgrading to premium for advanced features

Access Requirements

Free Account: Required for all screener access
Premium Subscription: Required for advanced filters and historical data
Authentication: All features require login

Basic Filters

These filters are available to all users and provide fundamental screening capabilities.

Market Cap Filter

Mega Cap

≥ $200 billion market cap

Large Cap

$10B - $200B market cap

Mid Cap

$2B - $10B market cap

Small Cap

$300M - $2B market cap

Micro Cap

< $300M market cap

Index Membership

S&P 500

Large-cap U.S. stocks

Nasdaq 100

Top 100 non-financial Nasdaq stocks

Dow Jones

30 blue-chip industrial companies

Russell 2000

Small-cap U.S. stocks

Additional Basic Filters

Price Range

Set minimum and maximum price thresholds for targeted screening

Current Expirations

Multi-select dropdown for analyzing specific expiration dates

Weekly Options

Filter for stocks offering weekly option expirations

Premium Filters

Premium Features

These advanced filters require an active subscription and are marked with golden gradients in the interface. Upgrade to premium to access these features.

Historical Expirations

Analyze past expiration data to understand historical GEX patterns and their impact on stock price movements.

Backtest strategies using historical gamma exposure data
Understand how GEX levels influenced past price action
Identify recurring patterns around expiration dates

Price GEX Position

Advanced analysis of where the current stock price sits relative to significant GEX levels and the potential price behavior implications:

Near Significant Negative GEX Resistance Level

When price approaches negative GEX levels, dealers typically sell into rallies and buy into declines, chasing price movements. This can amplify volatility and create resistance-like behavior, especially when gamma is concentrated and significant.

Near Significant Positive GEX Support Level

When price approaches positive GEX levels, dealers typically buy dips and sell rips, dampening volatility. This creates support-like behavior and "pinning" effects, particularly strong near expiration with high open interest.

Between Significant Levels Neutral Zone

Price is in a zone where dealer hedging flows are minimal, allowing macro, fundamental, or large directional flows to dominate. This often results in higher realized volatility and larger price ranges.

💡 Understanding Market Maker Behavior

Positive GEX (Support Tendency): Dealers are long gamma and buy dips/sell rips, dampening volatility. Creates "pinning" effects, especially near expiration when open interest is large and time value is minimal.

Negative GEX (Resistance Tendency): Dealers are short gamma and chase price movements - selling into rallies, buying into declines. This amplifies volatility and can create breakout scenarios.

Low Absolute GEX: Minimal dealer hedging flow allows macro/fundamental flows to dominate, often resulting in larger price ranges and higher realized volatility.

⚠️ Important Caveats

Size & Concentration Matter: Effects are strongest when GEX is large and concentrated near current price. Diffuse gamma across many strikes weakens the impact.

Time to Expiry: Far-dated gamma has minimal intraday impact. Near-dated options (especially on OPEX) show the strongest pinning effects.

Competing Flows: Large directional flows from hedge funds, buybacks, ETF arbitrage, or macro events can overwhelm gamma hedging on any given day.

Dynamic Nature: Dealer positioning can flip intraday as traders close positions. Other Greeks (vanna/charm) can dominate during volatility shocks.

Probabilistic, Not Deterministic: Think of GEX levels as weather radar showing turbulence zones, not precise flight paths. They indicate probability, not certainty.

Total Gamma Filter

Filter stocks based on their overall gamma exposure:

Positive Exposure

Net positive gamma, typically indicating market maker buying pressure

Negative Exposure

Net negative gamma, typically indicating market maker selling pressure

Results & Analysis

Results Table

The results table displays filtered stocks with key information and actions:

Column	Description
Symbol	Stock ticker symbol
Company	Full company name
Price	Current market price
Actions	"View" button for detailed analysis

Pagination Features

Adjustable Page Size: Choose how many results to display per page (default: 10)
Page Navigation: Easy navigation between result pages
Total Count: See the total number of matches found
Auto Reset: Returns to page 1 when new filters are applied

Interactive Charts

Gamma Exposure Chart

Interactive visualization showing gamma exposure levels across different strike prices.

Key Features:

Identify support and resistance levels based on gamma concentration
Understand price magnetism effects around high gamma strikes
Visualize how gamma exposure changes across the option chain
See current price position relative to gamma levels

TradingView Integration

Professional-grade charting with technical analysis capabilities.

Benefits:

Correlate GEX levels with traditional technical indicators
Analyze price patterns alongside gamma data
Access to comprehensive drawing tools and indicators
Real-time price data and market information

Authentication & Subscriptions

Access Tiers

Free Tier

Basic filtering capabilities
Current expiration data
Standard market cap and index filters
Basic chart access

Premium Tier

All basic features
Historical expiration analysis
Advanced GEX positioning filters
Total gamma exposure filtering

Automatic Redirects

Login Required: Unauthenticated users are redirected to the login page
Premium Features: Using premium filters without subscription redirects to pricing page
Session Management: Automatic handling of authentication state

Best Practices

Effective Filtering Strategies

Start Broad: Begin with basic filters and gradually narrow your search criteria
Combine Filters: Use multiple filters together for more targeted and relevant results
Monitor Liquidity: Focus on stocks with weekly options for better trading liquidity
Match Strategy: Align market cap filters with your trading strategy and capital requirements

Analysis Workflow

Review GEX Charts: Always examine detailed gamma exposure visualizations
Compare Timeframes: Analyze both current and historical expiration data
Correlate Indicators: Use TradingView charts to confirm technical setups
Monitor Changes: Track how price position relative to GEX levels evolves

Risk Management

Important Risk Considerations:

High gamma areas can lead to rapid and unexpected price movements
Gamma exposure changes significantly as expiration approaches
GEX data should complement, not replace, other analysis methods

Diversify Analysis: Don't rely solely on GEX data for trading decisions
Backtest Strategies: Use historical data to validate your approaches
Monitor Time Decay: Consider how gamma exposure changes approaching expiration
Position Sizing: Adjust position sizes based on gamma risk levels

Troubleshooting

Common Issues

No Results Found

If your filters return no results:

Try broadening your filter criteria
Check if premium filters require subscription
Verify price range settings are reasonable
Ensure selected expirations have available data

Charts Not Loading

If charts fail to display:

Refresh the page and try again
Check your internet connection
Disable ad blockers that might interfere
Try a different browser if issues persist

Premium Features Not Available

If premium filters are grayed out:

Verify your subscription status
Log out and log back in to refresh permissions
Contact support if subscription should be active
Consider upgrading to access premium features

Need Additional Help?

If you're still experiencing issues or have questions not covered in this help guide:

Contact Support Getting Started Guide

GEX Screener Help

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