GEX Levels
Net gamma exposure mapped strike-by-strike, so you see where dealers defend and where price goes unstable.
Read the market's
hidden gravity
Quantdecay turns raw options data into a live map of dealer positioning — GEX levels, gamma walls, and order flow that move price before the chart does.
4,200+tickers covered
<400msflow latency
0DTEto leaps
Desks · prop · retailtrusted daily
THE PRODUCT
This is what you trade with
Yesterday's SPX dealer gamma, exactly as it renders in the dashboard. No screenshots, no mockups.
SPX · GEX by strike
get_greek_exposure positive negative gamma flip spot
FEATURES
Every layer of the flow, in one lens
Institutional-grade options analytics without the terminal price tag. Six engines, one signal.
Gamma Profile
The full gamma curve across expiries — spot the flip point where the market shifts from mean-reverting to trending.
Dealer Positioning
Know whether market makers are long or short gamma — the single fact that decides if dips get bought or sold.
Live Options Flow
Sweeps, blocks and unusual prints streamed and scored — filter the noise down to the tickets that matter.
Real-Time Alerts
Get pinged the moment price approaches a gamma wall, the flip level breaks, or flow turns aggressive.
Historical Replay
Rewind any session and watch how GEX and flow evolved — backtest your read against what actually happened.
KNOWLEDGE BASE
Learn the language of gamma
Clear, no-jargon guides that turn Greek letters into trade decisions.
FUNDAMENTALS
What is GEX, really?
Gamma exposure explained from zero — what it measures and why dealers care.
Sign in to read →LEVELSReading gamma walls
How to spot the strikes that pin price — and the ones that let it run.
Sign in to read →0DTETrading 0DTE flow
Why same-day expiries dominate intraday, and how to trade with the flow.
Sign in to read →GREEKSDelta, Gamma, Theta, Vega
The four Greeks that matter, and how they interact around key levels.
Sign in to read →POSITIONINGLong vs short gamma
The regime that decides whether volatility gets crushed or amplified.
Sign in to read →WORKFLOWBuilding a flow routine
A repeatable pre-market checklist using Quantdecay's core signals.
Sign in to read →PRICING
Priced for every seat at the desk
Start free-to-look. Upgrade when the edge pays for itself.
Free Access
For traders learning to read the flow.
$0/mo
Get Free Access- Daily GEX levels (QQQ, SPY, QQQ)
- Gamma profile snapshots
- 3 days delayed flow
- Knowledge Base access
Premium
For active intraday & 0DTE traders.
$99.99/mo
Get Premium- Everything in Basic
- Real-time GEX & flow
- All tickers + custom watchlists
- Gamma-wall & flip alerts
- Historical replay (30 days)
Universal
For teams, funds & prop desks.
$149/mo
Get Universal- Everything in Pro
- API access & data export
- Full historical replay
- 5 seats included
- Priority support
FAQ
Questions, answered
GEX (gamma exposure) estimates how much dealers must buy or sell to stay hedged as price moves. It reveals the levels where the market gets "pinned" or accelerates — one of the most reliable maps of intraday behavior.
No. The signals are readable at a glance, and our Knowledge Base walks you from the basics to advanced positioning. Most users are trading with the data within their first session.
Index products (QQQ, SPY, QQQ, NDX) plus thousands of liquid single-name equities and ETFs. Pro and Desk plans unlock custom watchlists across the full universe.
Basic shows daily and 15-minute-delayed data. Pro and Desk stream GEX and flow in real time during market hours, with alerts firing the instant thresholds are crossed.
Yes — every plan is month-to-month with no lock-in. Annual billing simply saves you 20%. Cancel from your dashboard in a couple of clicks.
No. Quantdecay provides market data and analytics for research and education. Nothing here is a recommendation to buy or sell any security. You are responsible for your own trading decisions.
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