A rules-driven, ETF-only “four corners” strategy. It compares growth vs defense and credit vs cash to pick among aggressive or safe mixes, with quick hot/cold checks for bounces or hedges. Focus: high Sharpe, liquidity, and no wild swings.

It’s a “four corners” playbook that watches two things: 1) QQQ (big US tech) vs VPU (utilities) to tell if growth or defense is leading, and 2) CORP (investment‑grade corporate bonds) vs BIL (T‑Bills/cash) to tell if credit is healthy. Those two yes/no signals create 4 market states. In each state it holds a mix of aggressive or safe ETFs. It also uses RSI (a hot/cold gauge: high=stretched, low=washed‑out) for quick safety cuts or brief bounce/hedge trades. Metals are removed; cash used instead.

Out-of-sample annualized return ~27.3% vs SPY ~19.1%, with Calmar ~1.34 and strong liquidity. A regime-aware, four-corners ETF strategy targets higher upside across growth and credit while applying built-in risk controls; Sharpe trails SPY slightly.