S&P 500 Stock Market Gamma Trading Levels Based on Options Open Interest
FOR OPTIONS & EQUITIES TRADERS
Prepare for Intraday Volatility — with Synthetic OI
SpotGamma’s Synthetic Open Interest model delivers industry-leading clarity into how the options market is exerting its hidden force on all US stocks and indices. Powered by the best market data available and proprietary SpotGamma analytics, the Synthetic Open Interest model delivers precise insights that can elevate your trading approach.
as seen in
The Missing Layer for Understanding Volatility
“Synthetic OI Is a game-changer for me. It finally made volatility around key strikes click, so I stopped forcing trades that didn’t fit the setup.”
- dan f., SpotGamma alpha Subscriber
How SpotGamma’s Synthetic OI Model
Empowers Your Trading
SpotGamma's trading community leverages the Synthetic OI Model to:
Across 3,500+ U.S. equities, ETFs, and indices, Synthetic OI surfaces high-conviction setups and helps you size up when conditions are favorable, and avoid unwanted volatility.
See It In Action
From Intraday TSLA Volatility to a 10:1 Payoff
Case Study Snapshot: TSLA | Sep 11, 2025
The Setup
Ticker: TSLA
Date: September 11, 2025
Context: Intraday volatility around a key strike
Tool Used: Synthetic Open Interest (SpotGamma Alpha)
How the Pro Trader Used It
• Used Synthetic OI to filter out low-quality entries
• Entered only after hedging pressure confirmed the setup
• Planned exits around clearly defined Synthetic OI levels
What Synthetic OI Showed
• Identified $350 as the level where volatility conditions would shift
• Flagged an opportunity for upward momentum
• Defined when volatility expansion supported taking risk
Outcome & Why It Matters
• Synthetic OI framed a high-conviction trade
• Entry aligned with dealer hedging flows
• The position yielded a very positive return with a 10:1 risk/reward profile
Check out the full breakdown here
What Options & Equities Traders Get with Synthetic OI
As part of SpotGamma’s Equity Hub, Synthetic OI’s industry-leading charts and features show how dealer positioning influences volatility around key strikes — giving traders clearer context for entries, structure selection, and risk management.
What You get
why it matters
Put & Call Impact
See where options positioning actually matters — visualize dealer gamma and delta, open interest, or net positioning across strikes, with the ability to isolate the next expiration or monthly OPEX.
Live Price & Proprietary SpotGamma Levels
Track how price reacts around key strikes intraday — see when movement is supported by structure versus when it’s likely to stall.
Composite View
See which side of the options market is driving volatility — break down call vs. put influence and identify where the gamma regime shifts from positive to negative.
Options Impact Score
Quickly assess how much options positioning matters for a stock — see when options-driven dynamics are most likely to influence volatility and deserve closer attention.
Equities Table
Scan volatility structure across the broader market — Personalize your view by adjusting settings for key SpotGamma metrics across 3,500+ tickers.
Historical Lookback
Review how positioning has shifted over one year of historical data — explore how the names you are trading have reacted to changing volatility and market forces over recent history.
Why Synthetic OI Matters in Today’s Markets
Built for fast-moving, flow-driven trading environments
Synthetic OI shows where dealer positioning is shifting in near real-time — the pressure that actually moves price intraday.
In a market increasingly driven by 0DTE and short-dated options, those shifts happen fast. Synthetic OI’s best-in-class data helps you stay aligned with the flows driving price, so you can:
While broader OI models provide structure, Synthetic OI is designed for precision — helping you make faster, more informed 0DTE and intraday trading decisions when it matters most.
SpotGamma Alpha:
Institutional Precision For Today's Trader
$299/mo
join spotgamma
Make Better Trading Decisions in Volatile Markets
Synthetic OI, part of SpotGamma’s Equity Hub, is available exclusively as part of the SpotGamma Alpha offering — paired with our full suite of proprietary tools, daily market insights, trader education, and live support.
When volatility matters, serious traders rely on the Synthetic Open Interest model to harness volatility and improve their trading approach.
unlock spotgamma alpha
Subscribe now to get instant access.
