What is the current ONEO gamma exposure (GEX)?

As of May 15, 2026, State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) net gamma exposure is positive at $0 under the standard dealer-hedging convention. Net dealer delta exposure is $0. GEX aggregates the gamma sitting on dealer books across all listed strikes and expirations.

Is ONEO in positive or negative dealer gamma right now?

ONEO is currently in positive dealer gamma. Dealers net long gamma buy underlying weakness and sell into rallies to maintain delta-neutrality, which dampens realized volatility and tends to pin price near heavy open-interest strikes.

What does ONEO GEX tell options traders?

GEX is a regime indicator: positive-gamma regimes favor mean-reverting strategies (premium-selling near established ranges); negative-gamma regimes favor momentum and breakout strategies. The same options-strategy structure can be appropriate or inappropriate depending on the dealer-gamma regime, so reading the sign and magnitude of net GEX before sizing positions is standard practice.

State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) 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.

State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $107.9M, listed on AMEX, carrying a beta of 1.00 to the broader market. The State Street SPDR Russell 1000 Momentum Focus ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the Russell 1000 Momentum Focused Factor Index (the "Index")Seeks to harness the full power of factor investing to meet specific investor objectives and address some of the main motivations for using smart beta: in the case of ONEO, increased growth potential (momentum)The specific focus on momentum potentially captures the excess returns of stocks that have enjoyed higher recent price performance compared to other securities due to the tendency for stock prices to form trends over certain time horizonsMulti-factor smart beta strategies can bridge the gap between active and passive management, providing an opportunity for investors to rethink exposures and potentially maximize risk-adjusted returns more efficiently public since 2015-12-03.

Snapshot as of May 15, 2026.

Spot Price: $148.50
Net Gamma: $0
Net Delta: $0
Net Vega: $0

As of May 15, 2026, State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) has positive net gamma exposure of $0 under the standard dealer-hedging convention. Net delta exposure is $0. 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.

ONEO Strategy Sizing in the Current GEX Regime

State Street SPDR Russell 1000 Momentum Focus ETF is in a positive dealer-gamma regime ($0). Net dealer delta of $0 sets the size of the directional hedging flow that fires as spot moves. In this regime, mean-reverting strategies fit the regime: credit spreads, iron condors, covered calls near established ranges. Realized volatility tends to undershoot implied during positive-gamma stretches, supporting the short-vol structures. The gamma-flip level - the spot price at which net dealer gamma changes sign - is the most actionable anchor for sizing: through-flip moves trigger qualitatively different hedging behavior than within-regime moves, so risk-defined structures sized to the current spot may not stay sized correctly if a flip is near.

Learn how gamma exposure is reported and how to read the data →

Frequently asked ONEO gamma exposure (gex) & greeks questions

What is the current ONEO gamma exposure (GEX)?: As of May 15, 2026, State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) net gamma exposure is positive at $0 under the standard dealer-hedging convention. Net dealer delta exposure is $0. GEX aggregates the gamma sitting on dealer books across all listed strikes and expirations.
Is ONEO in positive or negative dealer gamma right now?: ONEO is currently in positive dealer gamma. Dealers net long gamma buy underlying weakness and sell into rallies to maintain delta-neutrality, which dampens realized volatility and tends to pin price near heavy open-interest strikes.
What does ONEO GEX tell options traders?: GEX is a regime indicator: positive-gamma regimes favor mean-reverting strategies (premium-selling near established ranges); negative-gamma regimes favor momentum and breakout strategies. The same options-strategy structure can be appropriate or inappropriate depending on the dealer-gamma regime, so reading the sign and magnitude of net GEX before sizing positions is standard practice.