SPX GEX Today: Free S&P 500 Daily Gamma Exposure & Intraday Levels
Institutional S&P 500 (SPX) options gamma exposure matrix updated hourly. Monitor real-time net dealer positioning, overhead Call Walls, downside Put Walls, and the active Zero Gamma Flip boundary to navigate daily price action.
S&P 500 Index · Net GEX & Volatility Boundaries
Underlying SPX
Per 1% Move
Primary Overhead Resistance
Primary Downside Support
Regime Transition Threshold
| Metric Level | SPX Strike | Distance from Spot | Market Maker Role | Volatility Impact |
|---|---|---|---|---|
| SPX Call Wall | $8000.00 | +257.27 pts (+3.32%) | Heavy Call Open Interest Pin / Major Resistance | Dealers Short Calls / Damping Upward Surges |
| SPX Spot Price | $7742.73 | 0.00 pts (Current) | Underlying S&P 500 Index Cash Value | Mean-Reverting Intraday Flow |
| SPX Zero Gamma Flip | $7665.21 | -77.52 pts (-1.00%) | Long to Short Gamma Transition Threshold | Volatility Shift Zone (Long GEX → Short GEX) |
| SPX Put Wall | $8000.00 | +257.27 pts (+3.32%) | Heavy Put Open Interest Floor / Primary Support | Dealers Long Puts / Buying Index Futures on Dips |
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SPX Pre-Market Institutional Outlook & Plain-English Interpretation
With SPX spot trading at $7742.73 (above the Zero Gamma Flip of $7665.21), options market makers operate in a Positive Gamma Regime. In this state, dealers are mathematically required to trade counter-trend: buying underlying futures on dips and selling into rallies. This systematic hedging suppresses realized volatility, pinning price action between structural boundaries.
Primary overhead resistance is anchored at the SPX Call Wall ($8000.00), representing a distance of +257.27 pts (+3.32%). Primary institutional downside support rests at the SPX Put Wall ($8000.00), located +257.27 pts (+3.32%) below current price.
Mean-reversion fades at Put Wall touches offer favorable 3:1+ risk-to-reward setups, while rallies into the Call Wall face persistent dealer selling pressure.
SPX Daily Market Maker Positioning & Strategic Plan
Market makers are net LONG gamma. Expect mean-reverting price action, liquidity absorption at intraday extremes, and dips being supported near Put Wall ($8000). Overhead upside will encounter dealer hedging friction near Call Wall ($8000).
Today's Multi-Asset Gamma Exposure Matrix
Benchmark current spot prices, net GEX, and structural strike walls across major indices and mega-cap equities.
| Asset | Current Spot | Net GEX | Call Wall (Resistance) | Zero Flip (Pivot) | Put Wall (Support) | Market Regime | Deep Dive |
|---|---|---|---|---|---|---|---|
| SPX | $7742.73 | +$18.76B | $8000.00 | $7665.21 | $8000.00 | Long Gamma | View |
| QQQ | $724.55 | $-2.31B | $740.00 | $739.94 | $700.00 | Short Gamma | View |
| NVDA | $219.99 | +$0.88B | $230.00 | $200.43 | $200.00 | Long Gamma | View |
| SPY | $771.81 | $-2.72B | $800.00 | $783.60 | $760.00 | Short Gamma | View |
| AAPL | $344.46 | +$0.76B | $350.00 | $292.77 | $330.00 | Long Gamma | View |
| IWM | $276.83 | $-1.87B | $290.00 | $299.29 | $270.00 | Short Gamma | View |
| NDX | $29777.46 | +$0.35B | $29675.00 | $29631.90 | $28000.00 | Long Gamma | View |
Download Full Historical GEX Levels CSV
Access full daily settlement levels across SPX, QQQ, NVDA, SPY, AAPL, IWM, and NDX formatted in structured CSV for quantitative modeling, Python backtesting, and Excel analysis.
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This repository publishes financial market derivatives data, specifically S&P 500 index Options Gamma Exposure (GEX), market maker inventory modeling, and institutional delta-hedging boundary levels. This financial analytical service is independent and not affiliated with bioinformatics research, biomedical gene expression (GEX) profiling, the NCBI Gene Expression Omnibus (GEO), or The Cancer Genome Atlas (TCGA) cancer genomics datasets.
How Institutional Traders Interpret Today's SPX Levels
Options market makers operate under strict delta neutrality. Understanding their forced inventory rebalancing provides clear intraday edges.
When SPX rallies toward the Call Wall ($8000.00), dealers are forced to sell index futures into upside extensions to hedge short calls, creating an institutional ceiling and dampening breakout momentum.
The Zero Gamma Flip ($7665.21) is the volatility pivot. Holding above signals positive gamma with mean-reverting chop; crossing below forces dealers into pro-trend selling, widening intraday candle ranges.
The Put Wall ($8000.00) holds the largest cluster of put options. In sell-offs, market makers buy underlying futures contracts as prices dip into this floor, frequently triggering swift intraday short-squeeze bounces.
Frequently Asked Questions: SPX GEX Today
Real-time insights and institutional answers regarding today's S&P 500 gamma exposure.
What is today's SPX net GEX level?
Today's current S&P 500 (SPX) net gamma exposure is estimated at approximately +18.76B per 1% move, indicating a bullish market maker hedging posture.
Where is the SPX Call Wall today?
The primary SPX Call Wall today is situated at $8000.00, which represents the highest concentration of net positive call gamma and acts as major institutional overhead resistance.
Where is the SPX Put Wall today?
The primary SPX Put Wall today is located at $8000.00, representing the largest concentration of net put open interest and serving as the primary downside support floor.
What is the SPX Zero Gamma Flip level today?
The SPX Zero Gamma Flip point today is $7665.21. Trading above this level places the market in a positive gamma regime (volatility dampening), while trading below this level triggers negative gamma (volatility expansion).
How frequently are these daily SPX GEX levels updated?
Daily levels on this public data hub are updated throughout regular market sessions. Professional subscribers access real-time live execution streams on the GEX Horizon Terminal.
Is this dataset related to genomics or gene expression (TCGA)?
No. GEX on this platform refers strictly to Options Gamma Exposure in financial derivatives markets. It is not affiliated with bioinformatics, TCGA gene expression data, or biomedical repositories.