| Strike | Net GEX | Type |
|---|---|---|
| 7700 | 6345.2K | Call Wall |
| 7710 | 4923.0K | Call Wall |
| 7705 | -3769.6K | Put Wall |
| 7740 | 3714.4K | Call Wall |
| 7660 | 3498.5K | Call Wall |
Gamma Exposure (GEX) levels for SPX 0DTE (zero days to expiration) options reveal where market makers must hedge their same-day options positions. These hedging flows create support, resistance, and magnet zones that move with intraday flow.
King Node (7655): the strike with the highest gamma concentration on Wednesday, September 30, 2026. Price is magnetically attracted to this level during the session.
Gamma Wall (7660): the highest call-side gamma strike above spot. Dealer hedging absorbs buying pressure here, acting as a ceiling.
Put Wall (7650): the highest put-side gamma strike below spot. Dealer hedging absorbs selling pressure here, acting as a floor.
StrikeGEX computes these levels from live options chain data every minute during market hours (9:30 AM to 4:00 PM ET). This page shows the end-of-session snapshot for Wednesday, September 30, 2026.
This is a historical snapshot. The StrikeGEX heatmap updates every minute with real-time flow across SPX, SPY, QQQ, and 300+ symbols.
Start 14-Day TrialOne email per trading day. Graded at the close, misses included.