State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) Gamma Exposure (GEX) & Greeks
Gamma exposure (GEX) analysis shows how options positioning creates dealer hedging pressure across strikes. Includes delta, vanna, charm, vomma, and vega exposure by strike price.
Snapshot as of Apr 21, 2026.
- Spot Price
- $490.73
- Net Gamma
- $65.8M
- Net Delta
- -$1.06B
As of Apr 21, 2026, State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) has positive net gamma exposure of $65.8M under the standard dealer-hedging convention. Net delta exposure is -$1.06B. Positive GEX means dealers are net long gamma — they buy into dips and sell into rallies, damping realized volatility and often causing price to pin near heavy open-interest strikes.