A monthly sector-rotation plan that owns the three U.S. sector ETFs with the strongest ~200‑day performance, heavily weighting the leader (~52%) and the next two (~30% and ~18%). Concentrates in the market’s current winners.

Once a month, it checks how much each sector fund rose over the last ~200 trading days. It ranks them, then buys the top three: about 52% in the leader, ~30% in #2, and ~18% in #3. It holds for one month, then repeats. Funds span U.S. sectors (tech, energy, health care, real estate, etc.).

Monthly momentum sector rotation tilts ~52/30/18 to the current leaders. Out-of-sample: ~14.95% annualized vs SPY 17.83%; beta ≈0.91 with similar drawdowns. Diversified, rules-based exposure that complements SPY across market regimes.