GEX Horizon | Real-Time Options
Gamma Exposure & Level Analytics
Track real-time Gamma Exposure (GEX), Call/Put Walls, Zero Gamma Flips, and Market Maker Delta Hedging for SPX, SPY, QQQ, and US equities with zero-latency options order flow intelligence.
Live Call Walls, Put Walls & Zero Gamma Flip Level Matrix
Inspect strike-level Net Gamma, major Call/Put Walls, and regime flip levels across SPX, SPY, QQQ, and single equities.
| Asset / Symbol | Spot Price | Net Dollar GEX | Call Wall (Resistance) | Put Wall (Support) | Zero Gamma Flip | Hedging Regime | Deep Analytics |
|---|---|---|---|---|---|---|---|
SPX S&P 500 Index | 5,483.25 | +$1.85B | 5,500.00 | 5,450.00 | 5,475.00 | Long Gamma (Stabilizing) | SPX Breakdown |
SPY SPDR S&P 500 ETF | 547.80 | +$420M | 550.00 | 542.00 | 546.50 | Long Gamma (Stabilizing) | SPY Breakdown |
QQQ Invesco QQQ Trust | 481.50 | -$180M | 485.00 | 477.00 | 481.00 | Short Gamma (Vol Expansion) | QQQ Breakdown |
NVDA NVIDIA Corporation | 134.80 | +$310M | 137.00 | 131.00 | 133.00 | Long Gamma (Stabilizing) | NVDA Breakdown |
Need Sub-Second Streaming Options GEX Feed?
Track tick-level dealer hedging rebalancing, 0DTE gamma spikes, and intraday flip alerts.
Market Maker Delta Hedging & Volatility Suppression Dynamics
Understand how options dealer positioning governs market volatility, strike pinning, and intraday velocity.
Dealer Hedging Compresses Market Ranges
In positive gamma (spot price > flip level), market makers trade counter-trend (buying dips and selling rallies) to rebalance delta, dampening market ranges.
Dealer Positioning: Long vs Short Gamma Regimes
When market maker Net GEX is positive, dealer rebalancing is mean-reverting (buying dips and selling rips). When Net GEX flips negative below the Zero Gamma Flip & Volatility Regime Tracker, hedging becomes pro-trend, amplifying market momentum.
Net Dollar Gamma Calculation Engine
GEX Horizon calculates Net Dollar Gamma using exact Black-Scholes strike sensitivity, open interest, and implied volatility surfaces. This calculates exact dollar delta obligations for every 1% index move.
Strike Pinning Mechanics & OpEx Expiration
As Options Expiration (OpEx) approaches, time decay (Charm) and volatility sensitivity (Vanna) force market makers to pin spot prices to strike levels holding high net gamma concentration, creating predictable range boundaries.
Visual Options Gamma Profile & Strike Heatmaps
Visualize strike-by-strike Net Gamma Exposure for major equity index benchmarks and megacap stocks.
SPX Index Options Gamma Profile
Track full institutional S&P 500 index options gamma distribution across all strike prices and monthly/0DTE expirations. Access our dedicated page: SPX Real-Time GEX Dashboard & Call/Put Walls.
SPY & QQQ Intraday Hedging Levels
Analyze options flow and dealer delta hedging levels for SPY and QQQ. Direct link: SPY Gamma Exposure Profile & Intraday Levels.
Interactive SPX Net Gamma Profile
Visualize dollar gamma exposure by options strike price.
Automated Options Wall Alerts (BETA)
Connect GEX Horizon alerts directly to Discord or Telegram. Get notified instantly when spot price approaches a Call Wall, Put Wall, or crosses the Zero Gamma Flip level.
Real-Time Discord & Telegram GEX Alerts
Get levels delivered directly to your chatroom. Below is a simulation of the live feed.
Compare Options Flow Subscriptions
Unlock professional-grade market structure indexes and real-time streaming WebSocket GEX feeds.
Free Public Tier
Ideal for retail swing traders inspecting daily market structure snapshots.
- SPX/SPY/QQQ Levels Overview
- Daily Call & Put Wall Summary Table
- (Locked) Real-Time WebSocket Streaming Feed
- (Locked) Intraday Zero Flip Crossing Alerts
Pro Trader
For active intraday scalpers and 0DTE traders requiring sub-second streaming GEX analytics.
- Zero-Latency Streaming Options GEX Feed
- Intraday Zero Gamma Flip Crossing Alerts
- Full Multi-Asset Heatmaps & Skew Matrix
- 0DTE Volatility & Hedging Acceleration Indexes
- Discord & Telegram Real-Time Push Alerts
Quantitative Enterprise
For quantitative hedge funds, algorithmic desks, and programmatic option traders.
- Dedicated WebSocket API Feed (0ms)
- Full Historical Tick-Level GEX CSV Data
- Raw Options Orderbook & Vol Surface Stream
- Enterprise SLA & Custom Integration Support
What is GEX (Gamma Exposure)?
Gamma Exposure (GEX) quantifies the net dollar value of underlying shares options market makers must buy or sell for every 1% move in price. Positive GEX suppresses volatility through mean-reverting dealer hedging; negative GEX accelerates market momentum via pro-trend rebalancing.
Options market makers maintain delta-neutral order books to avoid directional market risk. When options traders purchase call options, market makers take the short side of the contract and acquire positive gamma. To remain neutral as the underlying asset fluctuates, dealers execute dynamic counter-trend hedging—buying spot shares during price drops and selling spot shares during rallies. This structural activity creates a natural stabilizing buffer, suppressing intraday market volatility.
Conversely, when investors accumulate heavy put option positions or 0DTE (Zero Days to Expiration) contracts, market makers inherit short gamma risk. In a short gamma regime, dealer delta obligations force pro-trend rebalancing—selling heavily as spot prices drop and buying aggressively as prices surge. This dynamic triggers rapid liquidity vacuums, high-frequency cascades, and sharp directional breakouts across equity benchmarks such as the S&P 500 (SPX) and Nasdaq-100 (QQQ).
Advanced GEX Indicators & Option Market Structure
A deeper look into options market microstructure, dealer hedging transmission paths, and key volatility levels.
Understanding Gamma Exposure in Options Trading
To grasp what is gamma exposure in options, it is crucial to understand that derivatives contracts represent leveraged obligations. For every options trade opened by retail or institutional investors, a market maker takes the opposing side to guarantee liquidity.
As the underlying asset moves, option delta changes. Dealers manage this change through gex gamma exposure calculations. When dealer net gamma is positive, they trade against market trends, smoothing intraday swings. When net gamma is negative, they trade in the direction of the trend, accelerating volatility surges.
Key Metrics on the Gamma Exposure Dashboard
The GEX Horizon gamma exposure dashboard provides real-time tracking of critical market maker hedging thresholds. Our proprietary algorithms compile option open interest data across all expirations to pinpoint specific retail and institutional order flow bottlenecks.
The most vital gamma exposure indicator metrics are the Call Wall and Put Wall levels. The Call Wall represents the strike price with the largest positive gamma concentration, serving as intraday resistance, while the Put Wall marks the strike with the largest negative/put gamma concentration, acting as critical support.
Index Volatility: SPX, SPY, and QQQ Tracking
Index benchmarks dictate overall market direction, making index GEX tracking essential. The spx gamma exposure dashboard provides quantitative data on S&P 500 index derivatives, pinpointing the zero gamma flip level where market regimes shift.
Similarly, our spy gamma exposure and qqq gamma exposure trackers analyze ETF flows to determine if dealer delta obligations are suppressing or accelerating equity volatility. We also monitor large cap equities like nvda gamma exposure to capture individual stock momentum squeezes.
Using the Free Gamma Exposure Chart for Day Trading
Our free gamma exposure chart is updated continuously, enabling retail day traders to spot institutional support and resistance lines. By combining volume profile indicators with live GEX walls, traders can identify high-probability reversal zones.
Accessing the daily GEX snapshot is free for all users. You can inspect net gamma distributions across SPX, SPY, and QQQ to anticipate whether today will be a quiet range-bound day (positive gamma regime) or a fast-moving trend day (negative gamma regime).
Topical Silo Resources
Dive deeper into our specific guides on options Greeks, delta hedging, and advanced trading setups.
Latest Options Market Research
Read our latest quantitative studies, platform updates, and macro options flow analyses.
Related Research
Understanding Zero DTE Options Risk: The Mechanics of Volatility Loops
Understanding Zero DTE Options Risk: The Mechanics of Volatility Loops
The Ultimate Guide to Total Gamma Option Calculations and Volatility
The Ultimate Guide to Total Gamma Option Calculations and Volatility
Tracking SPX Net GEX Current Value: Dynamic Spot Mapping & Hedging Levels
Tracking SPX Net GEX Current Value: Dynamic Spot Mapping & Hedging Levels
Frequently Asked Questions About Gamma Exposure (GEX)
Got questions about Options Greeks, Call/Put Walls, or Market Maker Delta Hedging? Inspect our structured guide below.
Gamma Exposure (GEX) measures the total dollar value of delta that market makers must buy or sell for every 1% move in the underlying asset price. It quantifies market maker positioning, revealing whether dealers are long gamma (suppressing volatility) or short gamma (accelerating volatility).
When market makers are long gamma, they hedge by trading against the prevailing trend (buying dips and selling rallies), suppressing intraday market volatility. Conversely, when dealers are short gamma, they must buy high and sell low to stay delta-neutral, amplifying market momentum and driving rapid volatility surges.
The Zero Gamma Flip is the exact strike price where net market maker gamma shifts from positive (long gamma) to negative (short gamma). Trading above the flip indicates a low-volatility regime, while trading below the flip signals potential high-volatility sell-offs.
A Call Wall is the strike price holding the largest net positive call gamma, acting as major resistance due to heavy dealer selling. A Put Wall is the strike price holding the largest net put gamma, acting as strong support due to market maker delta buying.