SPX dealer positioning — now
most recent finished session · Monday, August 31, 2026 · the market is closed
SPX is 45 points below the zero-gamma flip at 7,731, so dealer hedging is amplifying moves rather than damping them. Net dealer gamma sits at the 77th percentile of the archive. These are measurements of dealer positioning, not buy or sell signals. The session is over, so these are its closing levels — the same numbers its session page carries, in full and free.
| Close | 7,686.10 (-4.62, -0.06%) |
| Session VWAP | 7,676.83 |
| Zero-gamma flip | 7,730.6 |
| Call resistance | 7,690 |
| Put support | 7,700 |
| Expected-hold band | 7,628.0 – 7,731.1 |
| Regime | negative gamma |
| Distance to flip | -44.5 |
| Net-gamma percentile | 77 |
When the market opens this page carries the session as it forms, at least 15 minutes behind the live terminal. The terminal itself streams every second, with the strike ladder, vanna and charm and all three books.
New to these terms? Start with what GEX is and the zero-gamma flip. How often these levels hold, measured across the whole archive: level hold rates. Measurements are model output derived from public trade and quote data; they are approximations and can be wrong. Nothing here is investment advice — see the Terms.