Most indexes are biased to the large-cap assets. Each month some assets perform better than others. Sector rotation model assumes that from every index we invest say 60%-80% into leading industries and 20%-40% into lagging industry, where within each sector we weight the assets equally [independent of cap]. The rebalancing can probably be performed each month at the end of the month based on previous 4 months results together with other rebalancing operations. The amount of reduced by occasional hedging using specific leveraged ETFs for short-term speculative risks. In tools you will find dedicated charting tools for sector rotation… We will also try to add monthly reviews