CTA Down Tape Outflows: $153.5B in 1-month down tape (compared to $2.88B in 1-week) indicates a significant exit from the US market; SPX faces critical support at 6754, with a break below 6512 signaling a high risk of volatility.

SPX Technicals & CTA Divergence: Immediate support for SPX is at 6754, with medium-term support at 6512; there’s a divergence in CTA strategies marked by sharp declines in GS CTA estimates for December 2025 and a 4.25% spike in 1-month volatility, reflecting increased market stress and poor trend-following performance.

Gamma Volatility Risk: The highest gamma (6.5k $mm) occurs with a 1% SPX spot move; negative gamma below -5% spot moves complicates and raises the cost of hedging during volatile periods, necessitating dynamic adjustments.

Prime Brokerage Leverage & Flows: Gross leverage increased by 1.5 points to 286.6% (73rd percentile), while net leverage rose by 0.4 points to 81.2% (99th percentile); the Materials sector has reported its first net sell in 11 weeks (L/S ratio 1.9), indicating a sector rotation and heightened long positioning.

Systematic Macro Exposure: Systematic macro strategies maintain approximately $500 billion in global equity exposure (an increase since 2020); US equity systematic positioning (including CTAs, Risk Parity, and Volatility Control) displays a consistent upward trend since 2020, which requires monitoring for overextension risks.