- Entry
- $50.03
- Final
- $51.92 +3.8%
- Target
- —
- Score
- +0.38
Built a data platform as a side project. Used it to analyse sector rotation patterns across 27 years of S&P 500 sector ETF data. --- **Methodology** - **Data:** S&P 500 Sector SPDR ETFs (XLK, XLE, XLF, XLV, XLY, XLP, XLI, XLB, XLU, XLRE, XLC) - **Period:** 1999-2026 (XLRE from 2015, XLC from 2018) - **Approach:** Rank all sectors by annual return, track year-over-year transitions, count reversals **Why ETFs, not stock averages:** Market-cap weighted. A $3T company has more influence than …
— ORIGINAL POST ·
Sector rotation analysis: 27 years of S&P 500 sector ETF rankings. 25% of transitions are major reversals.
· r/investing
· Jan 27, 2026