Model ArchitectureJanuary 2026Published
V11 Adaptive Ensemble: Regime-Aware Factor Investing
A 9-factor adaptive ensemble combining Ridge, ElasticNet, and Gradient Boosting with James-Stein shrinkage and VIX regime detection. Out-of-sample IC of 0.042 across 46 mega-cap equities with stable performance across regime transitions.
OOS IC0.071
Q5−Q1+0.2%
LS Sharpe0.83
Factor ModelsEnsembleRegime
Market MicrostructureDecember 2025Published
Evidence-Based Bid-Ask Spread Modeling for Options
A Ridge regression model trained on 282 real options chain observations predicting per-ticker, per-moneyness execution costs. Incorporating spread drag eliminates 14 of 46 apparently profitable strategies that would otherwise destroy alpha.
R²0.405
Obs282
Eliminated14
MicrostructureExecutionOptions
Portfolio ConstructionNovember 2025Published
Conviction-Tiered Options Overlay with Vol-Edge Selection
Drawdown-adjusted Kelly sizing with conviction tiers. HIGH conviction stocks receive call options for convexity; MED conviction uses put credits when implied vol exceeds realized. Framework produces consistent tier-ordered returns.
HIGH uplift+31%
MED uplift+10%
Avg win74%
PortfolioOptionsKelly
DerivativesOctober 2025Published
80K-Path Monte Carlo with Real Implied Volatility Surfaces
Model-implied volatility from GBM simulation compared against market ATM IV. The vol-edge metric identifies systematic mispricings that inform strategy selection across the conviction tiers.
Paths80,000
Avg edge+2.8%
Coverage46
Monte CarloVolatilityDerivatives