Level 6: Advanced StrategiesInteractive
Sector Rotation & Relative Strength
22 min readUpdated Mar 2026
Disclaimer
This educational content is for informational purposes only and does not constitute financial advice. Past performance is not indicative of future results. Trading involves risk of loss. You should consult a qualified financial advisor before making investment decisions. Swingfolio is a trade journaling tool, not a financial advisory service.
Markets do not move uniformly. At any given time, some sectors lead while others lag. Money flows between sectors in predictable cycles tied to economics, interest rates, and sentiment. Instead of fighting the current, trade in the sectors where money is flowing into.
| Sector | ETF | Characteristics | |---|---|---| | Technology | XLK | Growth, high beta | | Healthcare | XLV | Defensive, mixed beta | | Financials | XLF | Rate-sensitive, cyclical | | Consumer Discretionary | XLY | Cyclical, spending-dependent | | Consumer Staples | XLP | Defensive, stable | | Energy | XLE | Commodity-linked, cyclical | | Utilities | XLU | Defensive, rate-sensitive | | Industrials | XLI | Cyclical, infrastructure | | Materials | XLB | Commodity-linked, cyclical | | Real Estate | XLRE | Rate-sensitive, yield | | Communication Services | XLC | Mixed growth/value |
Sectors rotate through leadership in a somewhat predictable pattern.
Cycles Are Guidelines, Not Rules
The economic cycle provides a general framework, but sector rotation does not always follow the textbook sequence. Pandemic disruptions, technology shifts, and geopolitical events can override the typical pattern. Use the cycle as a lens, not a rigid playbook.
measures how a stock or sector performs compared to a benchmark (usually SPY). A stock with strong relative strength is outperforming the market, and outperformance tends to persist.
Relative Strength Ratio = Stock Price / Benchmark Price (SPY)
The most powerful application: combine sector strength with individual stock strength.
This double filter (strong sector AND strong stock within that sector) improves your odds versus scanning the entire market.
You do not need to change your entry or exit rules. Sector rotation is a filter applied before your existing strategy:
This simple approach has historically outperformed buy-and-hold SPY because it keeps you in sectors with positive momentum.
Key Takeaways
Try This
Go to Finviz.com and look at the sector performance heatmap. Which sectors are leading over the past month? Now rank all 11 sector ETFs by 3-month performance. Pick the #1 sector and find 3 stocks within it that have the strongest relative strength. Would any of them qualify for a setup using your current strategy?
Swingfolio tracks sector exposure across your portfolio, helping you stay diversified during rotations.
Start Tracking FreeDisclaimer
This educational content is for informational purposes only and does not constitute financial advice. Past performance is not indicative of future results. Trading involves risk of loss. You should consult a qualified financial advisor before making investment decisions. Swingfolio is a trade journaling tool, not a financial advisory service.