Research preview

Celestica’s stock has just produced a golden‑cross pattern for the first time since late 2022, a technical signal that previously preceded a dramatic rally. Traders seeking systematic exposure must ask whether the historical relationship will repeat, and how to size a position when using a leveraged daily ETF. This article walks through the statistical reasoning, back‑testing pitfalls, and risk controls that a quantitative trader should apply before committing capital. The Golden Cross as a Statistical Event A golden cross occurs when a short‑term moving average, typically the 50‑day simple moving average (SMA), rises above a longer‑term moving average, commonly the 200‑day SMA....