About

An independent atlas of insider transactions

Insiders Trades Sigma is an independent insider-transaction intelligence platform. It normalises 17+ regulators (AMF, SEC Form 4, BaFin, SIX SER, RNS, SEDI, Consob, CNMV, AFM, FSMA, Oslo, Helsinki, Stockholm, Copenhagen, ASX, FMA, Dublin) into one open schema, computes a composite Sigma score, and exposes everything through a REST API, MCP server, and free historical backtest.

Audited Sigma backtest 2022–2025: +13.2% / yr (CAGR) · cross-sectional Sharpe 1.87* · win rate 77% · n=196. All caveats are documented in the methodology.

V14e EU out-of-sample (2025-01-01 to 2026-05-21): Sharpe 1.36 · CAGR +38.5% · deflated Sharpe +0.43 · max DD -10.6% · hit rate 55.0%. 14-month window, wide CI95.

The author

Adrien Marchal

Quant analyst, Equity markets

Paris-based quant analyst. 10 years in equity markets, covering European and North-American insider transactions since 2018. Designs the multi-regulator ingestion, the scoring model and the editorial layer (Sigma Journal). The goal: make insider signals actionable without relying on a Bloomberg terminal or an opaque aggregator.

Status

The service is in private beta, early access by invitation. Hosted on Vercel Inc.

All Sigma Journal editorial coverage is bylined by the team unless explicitly stated otherwise. For calculation methodology, see the methodology and the documentation.