| Sector | 1M | 3M | 6M | 1Y | Quadrant |
|---|---|---|---|---|---|
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Uses the same data as Sector Performance and Sector Correlation Matrix: daily adjusted-close history for the 11 SPDR sector ETFs against SPY.
Rotation graph. It follows the standard Relative Rotation Graph (RRG) setup. A sector's level (x-axis) is its medium-term relative-strength trend, the 3-month change in its price-relative-to-SPY ratio. Its momentum (y-axis) is the 1-month change in that ratio. The four quadrants are Leading (positive level, positive momentum: outperforming and accelerating), Weakening (positive level, negative momentum: still outperforming but slowing), Lagging (negative level, negative momentum: underperforming and falling further behind) and Improving (negative level, positive momentum: underperforming but turning). Sectors tend to rotate through the quadrants clockwise over a full cycle, though not on a fixed schedule.
Persistence. The 11 sectors are ranked by trailing 1-month relative return at each month-end. Each sector's rank in one month is then correlated with its rank the next month (Spearman, since ranks are ordinal) across every sector-month pair. A near-zero or negative result would mean chasing last month's winners is no better than random, which matters before treating any one month's leaderboard as a signal.