Editorial Research Index
Institutional briefings & primary regulatory analysis
Source-checked financial analysis and briefings published by VolSurface Desk.
- Published briefings
- 133
- Thematic pillar hubs
- 12
- Marked fact-checked
- 133
All published briefings
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading: 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds (+8.5 pts Implied vs. Realized Corr Spread Benchmark)
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading (INDEX-DISPERSION) stands at +8.5 pts (Implied vs. Realized Corr Spread) (Source: BIS Quarterly Review / Cboe COR1M, 2026-10-20), governing preventi
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (+8.5 pts Implied vs. Realized Corr Spread Benchmark)
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading (INDEX-DISPERSION) stands at +8.5 pts (Implied vs. Realized Corr Spread) (Source: BIS Quarterly Review / Cboe COR1M, 2026-10-20), governing index va
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (+8.5 pts Implied vs. Realized Corr Spread Benchmark)
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading (INDEX-DISPERSION) stands at +8.5 pts (Implied vs. Realized Corr Spread) (Source: BIS Quarterly Review / Cboe COR1M, 2026-10-20), governing terminal
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing intraday futures rebalancing per 1% SPX move
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: Partial Derivative Formulas, Scaling Units & Tenor Surface Grid (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing exact Black-Scholes-Merton analytical deriva
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing extracting single-day event variance weights
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing daily VX1-to-VX2 roll math ($1,000/pt multip
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing 99% 2-day Expected Shortfall, 20-minute risk
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing preventing vertical call-spread and horizont
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing index variance vs. constituent single-stock
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (148.5 Cboe SKEW Index Level Benchmark)
SPX 25-Delta Put-Call Skew, Risk Reversals & Cboe SKEW Index Tail Pricing (SPX-25D-SKEW) stands at 148.5 (Cboe SKEW Index Level) (Source: Cboe Exchange, 2026-10-20), governing terminal Charm delta bleed and PM-settled SP
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing intraday f
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: Partial Derivative Formulas, Scaling Units & Tenor Surface Grid (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing exact Blac
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing extracting
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing daily VX1-
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing 99% 2-day
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing preventing
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing index vari
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (d2V/dσ2 Vega Convexity Derivative Benchmark)
Third-Order & Cross-Vega Greeks: Vomma (Volga), Zomma & Speed Mechanics (VOMMA-ZOMMA-SPEED) stands at d2V/dσ2 (Vega Convexity Derivative) (Source: Quantitative Derivatives Desk Standard, 2026-10-20), governing terminal C
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing intra
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: Partial Derivative Formulas, Scaling Units & Tenor Surface Grid (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing exact
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing extra
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing daily
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing 99% 2
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing preve
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing index
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (0.0 bps Butterfly & Calendar Arb Floor Benchmark)
SABR Stochastic Volatility vs. Gatheral SVI Arbitrage-Free Surface Fitting (SABR-SVI-SURFACE) stands at 0.0 bps (Butterfly & Calendar Arb Floor) (Source: CME / Cboe Volatility Surface Engine, 2026-10-20), governing termi
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (+4.2 pts VXN over VIX Volatility Spread Benchmark)
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning (NDX-QQQ-GAMMA) stands at +4.2 pts (VXN over VIX Volatility Spread) (Source: Cboe / Nasdaq Derivatives, 2026-10-20), governing intraday futures reba
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning: Partial Derivative Formulas, Scaling Units & Tenor Surface Grid (+4.2 pts VXN over VIX Volatility Spread Benchmark)
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning (NDX-QQQ-GAMMA) stands at +4.2 pts (VXN over VIX Volatility Spread) (Source: Cboe / Nasdaq Derivatives, 2026-10-20), governing exact Black-Scholes-M
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (+4.2 pts VXN over VIX Volatility Spread Benchmark)
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning (NDX-QQQ-GAMMA) stands at +4.2 pts (VXN over VIX Volatility Spread) (Source: Cboe / Nasdaq Derivatives, 2026-10-20), governing extracting single-day