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Quant & Backtests

Walk-forward studies on 162 k filings: what factors compound, what bleeds, with code and Sharpe figures.

12
published studies
Quant & Backtests

Micro-cap biotech insider buying: the trap we tested, and why we exclude it

The most seductive insider story: a tiny biotech, a CEO buying before the stock quintuples. We backtested that recipe. It is the worst cell in our dataset.

16 min
Quant & Backtests

Women insiders: what the 2023-2024 filings actually show

Across 2023-2024 EU and US insider buys in our sample, women filed 3.6% of declarations. Smaller tickets, more cluster context, smaller sample.

6 min
Quant & Backtests

Understanding Survivorship Bias in Insider Trading Studies

This article examines how survivorship bias affects insider trading studies and the importance of including delisted companies in performance analysis.

14 min
Quant & Backtests

Small-Cap Insider Buying: Why the Edge Beats Blue Chips

Insider purchases in small-cap companies often yield stronger returns than in large caps. Explore the factors influencing this trend and its strategic implications.

14 min
Quant & Backtests

Understanding the 30/35/25/10 Weighting of Composite Scores

Explore the rationale behind the 30/35/25/10 weighting system for composite scores in insider trading analysis, focusing on signal quality and transaction context.

15 min
Quant & Backtests

Analyzing Sector Leadership Through Insider Buying Trends

Explore how insider buying intensity across sectors from 2020-2026 can indicate future performance and sector leadership shifts.

14 min
Quant & Backtests

Understanding Sharpe and Deflated Sharpe Ratios in Backtests

Learn how to critically assess backtest claims using the Sharpe ratio and the Deflated Sharpe Ratio, which accounts for biases and multiple testing.

17 min
Quant & Backtests

Understanding Insider Trading Before Earnings Announcements

This article explores the implications of insider purchases made close to earnings announcements and their potential impact on stock performance.

15 min
Quant & Backtests

Why Insider Holding Periods Matter for Investors

Understanding insider holding periods can provide deeper insights into stock performance. Analyzing buy-to-sell distributions reveals the conviction behind insider trades.

14 min
Quant & Backtests

Do CFO Stock Purchases Outperform CEO Purchases?

This article examines the impact of CFO versus CEO stock purchases on market performance, analyzing their information density and market influence.

18 min
Quant & Backtests

Insider Cluster Trades: Cohen, Malloy, Pomorski Retested

Insider trading signals are stronger when multiple insiders trade together. This article explores the significance of cluster trades across various markets.

18 min
Quant & Backtests

Do Women Insiders Outperform Men? A Data-Driven Analysis

This article examines whether women insiders outperform their male counterparts on a T+90 basis, considering various factors that influence trading performance.

13 min