Editorial Research Index
Institutional briefings & primary regulatory analysis
Source-checked financial analysis and briefings published by VolSurface Desk.
- Published briefings
- 144
- Thematic pillar hubs
- 13
- Marked fact-checked
- 144
31 matching briefings
SPX 0DTE Gamma Exposure (GEX), Vanna & Charm Hedging Ratios, and OCC STANS Intraday Margin Framework
SPX 0DTE options account for 59% of S&P 500 options volume (Source: Cboe Global Markets, 2025-10-10), driving dealer GEX, Vanna, Charm, and OCC 20-minute STANS margining.
Cboe SPX 0DTE Options Volume (59% Share) & Dealer Gamma Exposure (GEX): Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (59.0% Share of SPX Options Volume Benchmark)
Cboe SPX 0DTE Options Volume (59% Share) & Dealer Gamma Exposure (GEX) (SPX-0DTE-GEX) stands at 59.0% (Share of SPX Options Volume) (Source: Cboe Global Markets, 2026-10-20), governing intraday futures rebalancing per 1%
Cboe SPX 0DTE Options Volume (59% Share) & Dealer Gamma Exposure (GEX): Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers (59.0% Share of SPX Options Volume Benchmark)
Cboe SPX 0DTE Options Volume (59% Share) & Dealer Gamma Exposure (GEX) (SPX-0DTE-GEX) stands at 59.0% (Share of SPX Options Volume) (Source: Cboe Global Markets, 2026-10-20), governing 99% 2-day Expected Shortfall, 20-mi
Vanna (dDelta/dVol) & Charm (dDelta/dTime) Second-Order Dealer Hedging: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (6.5 hrs Intraday Cash Decay Window Benchmark)
Vanna (dDelta/dVol) & Charm (dDelta/dTime) Second-Order Dealer Hedging (VANNA-CHARM-FLOWS) stands at 6.5 hrs (Intraday Cash Decay Window) (Source: Cboe Options Institute, 2026-10-20), governing daily VX1-to-VX2 roll math
Vanna (dDelta/dVol) & Charm (dDelta/dTime) Second-Order Dealer Hedging: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (6.5 hrs Intraday Cash Decay Window Benchmark)
Vanna (dDelta/dVol) & Charm (dDelta/dTime) Second-Order Dealer Hedging (VANNA-CHARM-FLOWS) stands at 6.5 hrs (Intraday Cash Decay Window) (Source: Cboe Options Institute, 2026-10-20), governing terminal Charm delta bleed
OCC STANS 20-Minute Intraday Risk Snapshots & 0DTE Margin Add-On: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (20 min Intraday Monte Carlo Interval Benchmark)
OCC STANS 20-Minute Intraday Risk Snapshots & 0DTE Margin Add-On (OCC-STANS-MARGIN) stands at 20 min (Intraday Monte Carlo Interval) (Source: The Options Clearing Corporation, 2026-10-20), governing extracting single-day
OCC STANS 20-Minute Intraday Risk Snapshots & 0DTE Margin Add-On: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (20 min Intraday Monte Carlo Interval Benchmark)
OCC STANS 20-Minute Intraday Risk Snapshots & 0DTE Margin Add-On (OCC-STANS-MARGIN) stands at 20 min (Intraday Monte Carlo Interval) (Source: The Options Clearing Corporation, 2026-10-20), governing index variance vs. co
Cboe VIX Futures Term Structure (VX1/VX2 Contango vs. Backwardation): Partial Derivative Formulas, Scaling Units & Tenor Surface Grid ($1,000 Standard VX Point Multiplier Benchmark)
Cboe VIX Futures Term Structure (VX1/VX2 Contango vs. Backwardation) (VIX-VX1-VX2-ROLL) stands at $1,000 (Standard VX Point Multiplier) (Source: Cboe Futures Exchange (CFE), 2026-10-20), governing exact Black-Scholes-Mer
Cboe VIX Futures Term Structure (VX1/VX2 Contango vs. Backwardation): 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds ($1,000 Standard VX Point Multiplier Benchmark)
Cboe VIX Futures Term Structure (VX1/VX2 Contango vs. Backwardation) (VIX-VX1-VX2-ROLL) stands at $1,000 (Standard VX Point Multiplier) (Source: Cboe Futures Exchange (CFE), 2026-10-20), governing preventing vertical cal
Cboe 1-Day (VIX1D) & 9-Day (VIX9D) Ultra-Short Volatility Benchmarks: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact (1 Day Event Jump Volatility Horizon Benchmark)
Cboe 1-Day (VIX1D) & 9-Day (VIX9D) Ultra-Short Volatility Benchmarks (VIX1D-VIX9D-SHORT) stands at 1 Day (Event Jump Volatility Horizon) (Source: Cboe Global Markets, 2026-10-20), governing intraday futures rebalancing p
Cboe 1-Day (VIX1D) & 9-Day (VIX9D) Ultra-Short Volatility Benchmarks: Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers (1 Day Event Jump Volatility Horizon Benchmark)
Cboe 1-Day (VIX1D) & 9-Day (VIX9D) Ultra-Short Volatility Benchmarks (VIX1D-VIX9D-SHORT) stands at 1 Day (Event Jump Volatility Horizon) (Source: Cboe Global Markets, 2026-10-20), governing 99% 2-day Expected Shortfall,
S&P 500 Index vs. Single-Stock Implied Correlation & Dispersion Trading: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (+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 daily VX
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: 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: 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
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: 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
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: 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
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (+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 daily VX1-to-VX2 roll
Nasdaq-100 (NDX) vs. SPX Implied Volatility Spread & Tech Gamma Pinning: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (+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 terminal Charm delta
Cboe VVIX (Volatility of VIX) & Out-of-the-Money VIX Call Convexity: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (96.4 30-Day VVIX Benchmark Benchmark)
Cboe VVIX (Volatility of VIX) & Out-of-the-Money VIX Call Convexity (VVIX-VOL-OF-VOL) stands at 96.4 (30-Day VVIX Benchmark) (Source: Cboe Global Markets, 2026-10-20), governing extracting single-day event variance weigh
Cboe VVIX (Volatility of VIX) & Out-of-the-Money VIX Call Convexity: Correlation Spike Stress Audit & Institutional Dispersion Unwinds (96.4 30-Day VVIX Benchmark Benchmark)
Cboe VVIX (Volatility of VIX) & Out-of-the-Money VIX Call Convexity (VVIX-VOL-OF-VOL) stands at 96.4 (30-Day VVIX Benchmark) (Source: Cboe Global Markets, 2026-10-20), governing index variance vs. constituent single-stoc
Over-the-Counter SPX Variance Swaps vs. Corridor Variance & Vega Notional: Partial Derivative Formulas, Scaling Units & Tenor Surface Grid (σ2 - K2 Variance Payoff Scaling Benchmark)
Over-the-Counter SPX Variance Swaps vs. Corridor Variance & Vega Notional (VARIANCE-SWAPS) stands at σ2 - K2 (Variance Payoff Scaling) (Source: ISDA Equity Derivatives Definitions, 2026-10-20), governing exact Black-Scho
Over-the-Counter SPX Variance Swaps vs. Corridor Variance & Vega Notional: 25-Delta Strike Skew, Put Wing Convexity & No-Arbitrage Bounds (σ2 - K2 Variance Payoff Scaling Benchmark)
Over-the-Counter SPX Variance Swaps vs. Corridor Variance & Vega Notional (VARIANCE-SWAPS) stands at σ2 - K2 (Variance Payoff Scaling) (Source: ISDA Equity Derivatives Definitions, 2026-10-20), governing preventing verti
Institutional Quarterly Equity Collar Rolls & Strike Pinning Microstructure: Dealer Delta/Gamma Hedging Equations & E-Mini S&P 500 Futures Impact ($16.0B+ Quarterly SPX Collar Notional Benchmark)
Institutional Quarterly Equity Collar Rolls & Strike Pinning Microstructure (JPM-COLLAR-HEQT) stands at $16.0B+ (Quarterly SPX Collar Notional) (Source: Cboe / Listed Options Flow Desk, 2026-10-20), governing intraday fu
Institutional Quarterly Equity Collar Rolls & Strike Pinning Microstructure: Clearinghouse Margin Monte Carlo Scenarios & Intraday Call Triggers ($16.0B+ Quarterly SPX Collar Notional Benchmark)
Institutional Quarterly Equity Collar Rolls & Strike Pinning Microstructure (JPM-COLLAR-HEQT) stands at $16.0B+ (Quarterly SPX Collar Notional) (Source: Cboe / Listed Options Flow Desk, 2026-10-20), governing 99% 2-day E
CME SOFR Options & Interest Rate Swaption Normal (Bachelier) Volatility Grid: Constant-Maturity Contango Roll Drag & Backwardation Flip Triggers (98.5 bps Annualized Normal Vol (1Y10Y) Benchmark)
CME SOFR Options & Interest Rate Swaption Normal (Bachelier) Volatility Grid (SOFR-SRO-SWAPTIONS) stands at 98.5 bps (Annualized Normal Vol (1Y10Y)) (Source: CME Group / ICAP Swaption Matrix, 2026-10-20), governing daily
CME SOFR Options & Interest Rate Swaption Normal (Bachelier) Volatility Grid: 3:50 PM ET Market-on-Close (MOC) Imbalance & 4:00 PM Cash Settlement (98.5 bps Annualized Normal Vol (1Y10Y) Benchmark)
CME SOFR Options & Interest Rate Swaption Normal (Bachelier) Volatility Grid (SOFR-SRO-SWAPTIONS) stands at 98.5 bps (Annualized Normal Vol (1Y10Y)) (Source: CME Group / ICAP Swaption Matrix, 2026-10-20), governing termi
FINRA Rule 4210 Portfolio Margin vs. Reg T Strategy-Based Options Haircuts: FOMC & CPI Event Volatility Crush & Forward Variance Decomposition (15.0% Broad-Based Index Stress Range Benchmark)
FINRA Rule 4210 Portfolio Margin vs. Reg T Strategy-Based Options Haircuts (PORTFOLIO-MARGIN-TIMS) stands at 15.0% (Broad-Based Index Stress Range) (Source: FINRA / OCC Portfolio Margin, 2026-10-20), governing extracting