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

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VIX

Mar 15 2026

March OPEX: Tipping Point or Turning Point?

Two charts comparing SPX 1-month realized volatility against VIX implied volatility from 2000-2026, with their spread displayed below.

Fragility, Risk, and Potential Vol Reset As the S&P 500 enters OPEX week, we echo the same theme of the past few weeks: this market remains fragile. Last week’s selloff pushed the index below the three-month trading range of SPX 6,800-7,000 that had held since late 2025, subsequently closing down 5% since mid-January. The conflict with Iran continues […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: dealer gamma, dealer positioning, FOMC, geopolitical risk, implied vol, iv, negative gamma, put skew, realized vol, spotgamma weekly, SPX, trace, VIX, volatility, Volatility Skew

Feb 26 2026

VVIX Explained: What the Volatility Index Tells Traders

VVIX Explained

The VVIX measures the expected volatility of the VIX itself — giving options traders a window into hedging demand, dealer positioning, and what the market is pricing before volatility materializes. SpotGamma’s forward return data shows
what elevated VVIX levels have historically meant for SPY and VIX.

Written by SpotGamma · Categorized: Market Analysis · Tagged: stock returns, VIX, VVIX

Feb 15 2026

Flat Index Masks Hidden Chaos

SPX put skew chart showing elevated downside hedging with call skew at low levels as of February 13, 2026.

Overall price stability in the S&P 500 is masking one of the most unusual equity environments in recent years. While SPX has been roughly flat over the past month, the average constituent has moved 10.8% — a 99th percentile dispersion reading, as we discussed in our Thursday AM Founder’s Note. All signs point to increasing fragmentation beneath […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: FOMC, iv, OPEX, positive gamma, spotgamma weekly, SPX, VIX, volatility

Feb 08 2026

The Market’s 0DTE Underbelly Is Exposed

SPX options data showing strike prices, net open interest, and gamma exposure throughout trading hours on Feb 4, 2026.

Last week reminded us just how fast market stability can give way to volatility. After trading near all-time highs at 7,000, the S&P 500 fell 3% in just three sessions, closing Thursday at 6,798 amid weakness in software and crypto. Our last Sunday Newsletter focused specifically on how this type of fragility underscores today’s market. This […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: FOMC, iv, OPEX, positive gamma, spotgamma weekly, SPX, VIX, volatility

Feb 01 2026

SPX Touches 7,000 and Cracks — What Makes This Market So Fragile?

Chart showing cumulative dealer gamma (positive) and non-Odte dealer gamma (negative) across strike prices, with bars indicating gamma levels.

Market Fragility in the Face of All-Time Highs As the S&P 500 pushes record highs, the options market continues to flash warning signals beneath the surface. Underlying risk from volatility discrepancies and index-equity correlation suggest an environment prone to vol spasms — similar to what we witnessed with Thursday’s (1/29) sharp selloff and reversal. These […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: FOMC, iv, OPEX, positive gamma, spotgamma weekly, SPX, VIX, volatility

Jan 25 2026

Vanna Fuels Market Rally as Market Fears Subside

Volatility skew chart showing downside vol decreasing from Tuesday to Friday while upside vol spikes, with three comparable trading dates tracked.

Last week began with fear dominating market sentiment: analysts widely attributed Tuesday’s 2% SPX selloff to Greenland worries and tariff threats. As we pointed out in last weekend’s newsletter, traders had begun hedging against downside risk as put skew increased and volatility premiums rose. However, the quick turnaround back to SPX 6,900 seemed to erase any […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: FOMC, iv, OPEX, positive gamma, spotgamma weekly, SPX, VIX, volatility

Jan 18 2026

Defensive Positioning Emerges as Market Rallies

VIX options chart showing total gamma and convexity across strike prices with negative gamma trend.

Traders Turn Defensive In the Face of Market’s Climb SPX tested fresh all-time highs last week, with positive gamma providing guardrails for the broader market. In the face of headline noise—from criminal investigations into Powell to Iran-related escalation—the market absorbed every dip, with the 6,890 Risk Pivot level from Monday’s AM Founder’s Note holding firm. However, increasing put skew and […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: FOMC, iv, OPEX, positive gamma, spotgamma weekly, SPX, VIX, volatility

May 12 2025

SpotGamma on Stock Market TV

Three commentators in a Stock Market TV morning show split-screen video with overlay text about volume.

SpotGamma joined Stock Market TV to discuss how options drive stocks, including what signals are provided by Call Walls & Put Walls. We also dove into why the VIX can often be a misleading volatility signal. Find High-Reward Setups — FastStart Profiting

Written by SpotGamma · Categorized: Market Analysis · Tagged: options levels, Stock Market TV, VIX

Mar 08 2024

Why is the VIX So Low? Structured Products Offer an Answer

Three-panel BIS chart of VIX and ETF flows, ODTE leverage versus returns, and 1MTE versus ODTE bars through 2023.

Equity market volatility (VIX) has been surprisingly low in 2023 despite uncertainty about interest rates and geopolitics. Some attribute this to the rise of short-term “zero-days-to-expiry” (0DTE) options trading. However, a recent article by the BIS argues that 0DTE trading is unlikely to be the main cause for low VIX and provides an alternative explanation: […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: "0DTE options", "structured products", "yield enhancement, VIX, volatility

Mar 11 2023

The Silicon Valley Bank Collapse and How the Options Market Reacted

options-risk-silicon-valley-bank

The VIX Jumps, Shocking Record Put Volumes and Real Tail Risk With the SVB risks, we see a shift higher in options tail risk pricing, but not a surge in open interest at a macro level. KRE, the Regional Bank ETF, saw record put volume, and there is record VIX call open interest. XLF and […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: Silicon Valley Bank, SVB, VIX

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