See the Walls Dealers Defend.
Real-time gamma exposure for any optionable ticker. Spot call walls, put walls, gamma flip, and the expected move — all auto-refreshed during market hours.
Mechanical Support & Resistance
Strikes where dealers hold the most positive or negative gamma act as price magnets. The Call Wall is where dealers aggressively hedge by selling rallies — it's the ceiling the market has to fight through. The Put Wall is the floor they defend by buying dips.
- Highest net positive GEX = Call Wall (resistance)
- Most negative net GEX = Put Wall (support)
- Toggleable as horizontal lines on the price chart
- Highlighted in the strike table with colored borders
The Volatility Pivot Most Traders Ignore
Above the flip, dealer hedging dampens moves and the market grinds. Below it, hedging amplifies moves and price action accelerates. Crossing the flip from above is one of the cleanest regime-change signals in options markets.
Our gamma flip is computed via linear interpolation across the exact strike where cumulative net GEX crosses zero — not just rounded to the nearest strike.
See the Whole Term Structure at Once
Every strike and every expiration in one diverging-color grid. Green clusters are positive GEX concentrations (support). Red clusters are negative GEX (acceleration zones). Hover any cell for exact net GEX, OI, and volume.
- Diverging emerald/red color scale
- Sticky row + column headers
- Auto-saturates to the visible window
- Respects the same Focus filter as the table
Walls Drawn Right on the Price Chart
Powered by TradingView lightweight-charts. Toggle the Call Wall, Put Wall, Gamma Flip, and Expected Move bands directly onto the candlestick — every metric card is a button. See price action and dealer positioning together at every timeframe from 1-minute to daily.
A second pane below shows GEX magnitude per strike as a histogram so you can spot wall structure at a glance.
Three Steps to Read Dealer Flow
Pick a Ticker
Tap SPY, QQQ, IWM, AAPL, NVDA, TSLA — or type any optionable symbol. Filter by 0DTE, weekly, monthly, or all expirations.
We Compute the Walls
Live chain → per-contract gamma exposure → per-strike net GEX → call wall, put wall, gamma flip, expected move, and the heatmap.
Trade the Levels
Toggle wall lines onto the candlestick. Watch how price reacts to the levels. Auto-refreshes every 60 seconds during market hours.
GEX is one piece of the picture.
Pair it with these tools for a complete options edge.
Frequently Asked Questions
Ready to See the Walls?
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