← Browse all charts Chart intent Are small-cap stocks outperforming large-cap stocks?
Relative Trend
IWM / SPY Ratio
This chart shows whether smaller US companies are gaining ground against large companies or falling further behind.
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The latest values are listed below the chart. Visible-window CSV and full-history JSON downloads are available above.
Use Price for the raw chart and % from view start when you want to compare the move across any chosen window. In percent mode, the first visible session becomes 0% and the scale stays linear. Log is available only when every loaded price is positive. Tip: drag to pan, scroll or pinch to zoom, and use Reset view to snap back quickly.
How To Read It
- A rising line means IWM is outperforming SPY; a falling line means SPY is taking the lead.
- Use shorter windows for tactical leadership changes and longer windows for regime shifts.
- The most important reversals are the ones that break a long trend, not just a single volatile day.
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