Greek Exposure Heatmap — GEX, VEX & DEX by Strike

This GEX heatmap shows gamma exposure by strike and expiration so you can see dealer gamma across the chain.

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Greek Exposure Heatmap showing GEX and Vanna across all strikes

Everything You Need to Trade Smarter

Professional-grade greek analytics at a fraction of institutional cost

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Interactive Heatmaps

Color-coded visualization of gamma, vanna, charm, and vex across every strike. See the full risk landscape at a glance.

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Vanna & Charm

Advanced second-order greeks most platforms never show. Understand how dealer exposure shifts as time and volatility change.

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Strike-Level Detail

Drill into any individual strike or expiration. See precisely where hedging pressure concentrates and where it fades.

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Intraday & Historical

Track how greek exposure evolves throughout the day and compare against prior sessions to spot structural shifts.

Gamma Exposure Heatmap

See GEX levels across all open expirations in a single canvas. Identify gamma walls, zero-gamma zones, and where dealer hedging will amplify price moves.

GEX by strike and expiration
Net vs. gross exposure view
Negative gamma zones highlighted

Intraday Greek Flow

Watch dealer exposure update in real time throughout the session. See how gamma and vanna levels shift as trades print and positions roll.

Minute-by-minute updates
Delta-adjusted exposure
Session-over-session comparison

Key Levels Overlay

Combine greek exposure with max pain, IV expected move, and call/put GEX walls on one chart so every critical level is visible simultaneously.

Max pain alignment
σ-band IV levels
GEX wall confluence zones

This GEX heatmap visualizes options market-maker positioning across every strike and expiration for any underlying. Color intensity at each strike represents the magnitude of gamma exposure (GEX), vanna exposure (VEX), or delta exposure (DEX) that dealers are carrying — the strikes where dealer hedging activity will most influence price.

Use the heatmap to identify gamma walls (large positive GEX clusters that act as resistance), negative gamma zones (where dealer hedging amplifies moves), and pin-risk strikes near expiration. Toggle between by-expiration view to isolate a single expiry, or the rollup view to see total exposure across the chain. The intraday view replays how positioning shifted through the trading session.

Frequently asked questions

What does GEX mean on the heatmap?

GEX is gamma exposure — the dollar change in dealer hedging required for each $1 move in the underlying. Positive GEX strikes act as price magnets and dampen volatility; negative GEX strikes accelerate moves as dealers hedge in the same direction as price.

How is dealer positioning estimated?

We aggregate live open interest from the full options chain and apply Black-Scholes Greeks at the current underlying price. Dealer-side bias is inferred from typical liquidity-provider flow assumptions and refined with intraday signed-volume context where available.

When does the intraday heatmap update?

Snapshots are captured continuously throughout the regular session and stored historically, so you can scrub back to any moment of the day to see how positioning evolved around opens, news prints, and into the close.

How do I read VEX and DEX?

VEX measures dealer exposure to changes in implied volatility — strikes with high VEX are vol-pinning levels that resist IV expansion. DEX measures the directional dollar exposure dealers have already hedged; large DEX clusters often coincide with key support and resistance levels.