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S&P 500 Stock Market Gamma Trading Levels Based on Options Open Interest

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Compass

Mar 08 2026

Geopolitical Risk Hits a Fragile Market

Markets entered last week on fragile footing. In our previous Sunday note, we emphasized how negative dealer gamma, extreme put skew, and heavy 0DTE options activity set the market up for a trapdoor scenario. This created a market structure vulnerable to sharp drops and spikes in volatility, as we saw play out last week. The dramatic […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: Compass, dealer gamma, dealer positioning, forward implied volatility, forward-vol, geopolitical risk, iv, negative gamma, put skew, risk management, spotgamma weekly, SPX, Synthetic OI, trace, volatility, Volatility Skew

Mar 01 2026

The Options Market Trapdoor

Over the past week, the topic of volatility has returned to the forefront. While the market has been largely range-bound, underlying support remains tenuous. Simultaneously, traders have begun more actively paying for downside protection. Given the backdrop of flaring geopolitical conflict, we see assymetric downside risk forming as trader uncertainty and negative gamma threaten to unlock the […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: call skew, Compass, dealer gamma, dealer positioning, iv, negative gamma, positive gamma, put skew, spotgamma weekly, SPX, Synthetic OI, volatility, Volatility Skew

Feb 22 2026

Right Tail Risk Is Building in the S&P 500

The market spent most of last week locked in the SPX 6,800–6,900 range that has largely held since Thanksgiving. Wednesday’s VIX expiration and Friday’s monthly OPEX defined the week’s rhythm, while negative gamma positioning and elevated single-stock put demand maintained pressure under the surface. Our historical OPEX data suggests the market is positioned for a […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: Compass, dealer gamma, dealer positioning, iv, mag7, negative gamma, OPEX, positive gamma, spotgamma weekly, SPX, Synthetic OI, volatility

May 02 2025

What Caused the Market Selloff Before the Headlines — And Why Most Traders Missed It

Key Takeaway: On April 23, a trader or group unloaded 37,000 SPX call contracts in under 30 minutes — a massive move that helped wipe out billions in market value and trigger an 81-handle selloff. It looked bullish. It wasn’t. This was a synthetic short, a hidden bearish bet most traders misread completely. Why? Because […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: Compass, options flows, options trading, scanners, Synthetic OI, Tariff Deadline, trading

Mar 26 2025

Spot the Flow, Seize the Edge: 5 Options Signals Every Trader Should Be Watching

5-things-every-great-trader-should-know

The Tariff Deadline (4/2) is looming, with big implications for your trading. This wildcard event could tip sector flows, shift hedging activity, and force institutions to adjust — fast. Yet this market catalyst comes with its own set of risks and opportunities. The difference comes down to how well you can see a setup before […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: Compass, options flows, options trading, scanners, Synthetic OI, Tariff Deadline, trading

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All SpotGamma materials, information, and presentations are for educational purposes only and should not be considered specific investment advice nor recommendations. Futures, foreign currency and options trading contains substantial risk and is not for every investor. An investor could potentially lose all or more than the initial investment. Risk capital is money that can be lost without jeopardizing one's financial security or lifestyle. Only risk capital should be used for trading and only those with sufficient risk capital should consider trading. Past performance is not necessarily indicative of future results. Testimonials appearing on this website may not be representative of other clients or customers and is not a guarantee of future performance or success.

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