Building SledgeKey

October 10, 2026

What we are re-checking in our published backtests

Stale prices from a broken nightly fetch, and survivorship comparisons that later runs did not reproduce. What it can touch, and how we are checking it.

December 11, 2025

Welcome to Building SledgeKey

When I turned thirteen, my grandpa gave me ten shares of Disney stock. From then on, I was hooked. This is the story of how that led to SledgeKey.