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Everything you need to know about using TraderDaddy Pro methodologies, tools, and analytics.
Gamma Exposure (GEX) is the aggregate dollar amount that market makers (MMs) must buy or sell in the underlying stock to stay "delta neutral" for every 1% move in price. It reveals the structural forces acting on price — forces that exist regardless of news or sentiment.
Positive GEX (Stabilizing)
Market makers are long gamma. When price drops, they buy the underlying to hedge. When price rises, they sell.
- Creates a self-correcting force
- Price gets pinned, ranges compress
- Realized volatility falls
- Strategy: Sell premium, fade extremes
Negative GEX (Amplifying)
Market makers are short gamma. When price drops, they must sell more to hedge — accelerating the move. When price rises, they buy more.
- Moves extend further and faster than expected
- Trending, volatile environment
- Options premium is cheap relative to moves
- Strategy: Buy options, trade with momentum
Key Levels
- GEX Wall (tall positive bars) — Acts like a magnet and a ceiling/floor. Price often struggles to break through large positive GEX clusters. These are your strongest intraday S/R levels.
- Gamma Flip Level — The price at which aggregate GEX crosses from positive to negative. The most important level on the chart. Above it = calm. Below it = chaos.
- Max Gamma Strike (Magnet) — The single strike with the largest absolute GEX. Price gravitates toward this level on low-volume days, especially into options expiration. Use it as a daily price target.
- Put/Call GEX Ratio — Above 1.0 = put-heavy positioning. Below 1.0 = call-heavy, potentially more unstable upside.
GEX ≠ Direction
GEX tells you how volatile moves will be, NOT which direction price will go. Negative GEX with a green market is completely normal — it means the rally is being amplified. GEX works until it doesn't. Major macro events (CPI, Fed meetings, earnings) can overwhelm gamma forces entirely.
How to Extract Alpha
- Use GEX Walls as S/R: Before entering a trade, check if there's a massive GEX wall overhead (for calls) or below (for puts).
- The Gamma Flip = The Line in the Sand: Day traders: if SPY is above the flip level, trade long bias and buy dips. Below it, trade short bias and sell rips.
- OpEx Week Magnet Play: On Wednesday–Friday of options expiration week, price is pulled hard toward the max gamma strike. Fade moves away from it, target moves toward it.
- Regime Change = Strategy Change: Don't use the same strategy in positive and negative GEX. When GEX flips negative, widen your stops, expect overshoots, and switch from selling to buying premium.