Daily, single‑ETF rotation around QQQ. In uptrends it rides QQQ, hedging with VIXY when prices get “too hot.” In downtrends it buys sharp dips or shifts to defense, choosing between short QQQ (PSQ) or long Treasuries (TLT).

First, it checks the long‑term trend (Is SPY above its 200‑day average?). If yes, it holds QQQ (big tech) unless a 10‑day “hotness” meter (RSI) says the market is extremely hot; then it briefly switches to VIXY (benefits from volatility spikes). If no, it buys sharp dips in QQQ/SPY when very cold; otherwise, if QQQ is weak, it picks the stronger of PSQ (short QQQ) or TLT (long Treasuries). Rebalanced daily.

Out-of-sample annualized return: 60.6% vs SPY 45.7%, Sharpe ~3.21, Calmar ~11.64. It captures tech upside, hedges spikes, and rotates to defensives for stronger risk-adjusted growth than the S&P 500.