GammaDesk

GammaDesk turns the options market's dealer-positioning data into a clear, fast read on where price is likely to gravitate, stall, or accelerate — for the indices, ETFs, and single stocks active traders watch most.

It is built for self-directed traders and market students who want to understand dealer hedging flows without wading through spreadsheets. Every screen is decision-support: clear numbers, plain-language context, and no hype.

WHAT'S INSIDE

• Session — a live cockpit of the current regime: net gamma exposure (GEX), the gamma flip level, and the nearest call and put walls, with a plain-language read on whether dealers are dampening or amplifying moves.

• Forecast — an expected-move range for the session, anchored to dealer positioning, with a friendly explanation of the setup and the levels that matter.

• Greeks — dealer Greeks beyond gamma: delta exposure (DEX), vanna, and charm.

• Levels — the key strikes ranked by gamma, so you can see the magnets and barriers at a glance.

• Flow — unusual options activity surfaced from volume and open interest, tagged call/put and in/out of the money.

• Guards — automatic, holiday-aware alerts for market open and close, plus notifications when the dealer regime changes direction or the forecast shifts.

SYMBOLS — 29 IN TOTAL
Indices and ETFs: SPX, NDX, SPY, QQQ, DIA
Large caps: AAPL, MSFT, NVDA, GOOGL, AMZN, META, TSLA
Single names: ADBE, AMD, APP, ARM, AVGO, COIN, CRWD, CRWV, FSLR, INTC, LLY, MRVL, MSTR, MU, NBIS, NOW, QCOM

EXPIRY
The nearest live expiry is selected automatically for every symbol, so there is no DTE selector to manage. The gamma profile rescales to each symbol's own strike grid, which means a $40 stock and a 6,000-point index are both read at a sensible resolution.

DATA
GammaDesk works out of the box with delayed market data. Prefer real-time? Connect your own brokerage data (tastytrade, Tradier, or Schwab) in Settings and the app updates in real time automatically. Your credentials stay on your device.

FREE
GammaDesk is completely free. No subscription, no in-app purchases, no ads.

IMPORTANT
GammaDesk is an analytics and educational tool. It provides information and context only — it is not investment advice, not a recommendation to buy or sell any security, and not a signal service. Options trading involves substantial risk. Always do your own research and consider consulting a licensed financial professional.

Recent changes:
Bug fixes and a new design.