Net gamma exposure for SEI Investments Co (SEIC) options was positive at the Nov 4, 2026 close, about $135.24K per 1% move in the stock. It has been positive on 11 of the last 20 trading days. With positive gamma, dealer hedging tends to lean against price moves, which can dampen swings.
Upgrade to unlock Gamma Flip, Gamma Profile, Call Wall, Put Wall, and multiple expiration dates.
Gamma Exposure by Strike
Showing results for SEIC, 2026-11-20(m), calls & puts
Gamma Exposure Stats
Showing results for SEIC, 2026-11-20(m), calls & puts
Net Gamma Exposure by Expiration
Showing results for SEIC, 2026-11-20(m), calls & puts. View all expiries
| Expiration | Net GEX | Call GEX | Put GEX | Call Wall | Put Wall | Gamma Flip |
|---|
SEIC Gamma Exposure FAQ
What is gamma exposure (GEX)?
Gamma exposure estimates how much stock option dealers must buy or sell to stay hedged for each 1% move in the underlying.
Is SEIC gamma exposure positive or negative?
SEI Investments net gamma exposure was positive on Nov 4, 2026, at $135.24K. It has been positive on 11 of the last 20 trading days.
How has SEIC gamma exposure changed recently?
SEI Investments net gamma exposure went from -$298.69K on Oct 7, 2026 to $135.24K on Nov 4, 2026. That is its highest reading in 4 weeks. See the SEIC gamma exposure history for a longer view.
What is SEI Investments Co?
SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers.