Sector Rotation: Technology Drives Upside Rotation, Z-Score -0.73

Technology XLK drove the sharpest upside rotation and Health Care XLV tops current-week standings.

Dispersion across the eleven S&P 500 sector ETFs sits in a normal regime as of September 18: its z-score against the GARCH-normalised mean is -0.73, and the spread widened modestly over the past five sessions. That widening is fresh and transitional, with motion running ahead of level and single-session extremes mean-reversion-prone. Selection pays close to baseline, so rotation within the field matters more than spread width.

Technology XLK drove the sharpest upside rotation and strengthened on the 20-day (tactical) and 13-week (intermediate) lines; it ranks second as an emerging leader with near-zero intermediate backing. Health Care XLV tops the weekly standings at +0.48, and its +0.13 13-week line keeps confirmed leadership in place even as the tactical line cooled; Consumer Staples XLP climbed to third from a lagging base, and Energy XLE rolled toward Weakening from a confirmed-leader base. The fastest strengthening sits with the emerging leader, so the week's upside pressure comes from rotation within leadership.

Utilities XLU fell to last at -0.40 and deteriorated on both horizons; Real Estate XLRE and Materials XLB joined the downside cluster from lagging bases. Industrial XLI posted a tactical recovery from lagging, Communication Services XLC ranks seventh with an early-improving profile, and Financial XLF dropped six ranks to tenth with a 13-week line near zero. Four of the eleven sectors hold positive current-week readings, and the negative side includes three deteriorating names plus one faded structural leader, so breadth is narrow and the intermediate backing behind the recovery cluster is thin.

Sector Rotation Map

Romain Gandon
CEO, Quantlake

Disclaimer: This article is for informational and educational purposes only and does not constitute investment advice. Past performance is not indicative of future results.