Equal-weight vs cap-weight
Is market breadth narrowing, or is the average stock beating the giants?
| Series | First | Latest | Min | Max |
|---|---|---|---|---|
| Equal-weight S&P 500 (RSP) | 100.0 | 1188.0 | 86.6 | 1205.7 |
| Cap-weight S&P 500 (SPY) | 100.0 | 1228.0 | 82.6 | 1260.4 |
RSP and SPY adjusted close indexed to 100 at the shared startRSP (S&P 500 equal-weight) and SPY (S&P 500 cap-weight), both daily, rebased to 100 at their shared start. Uses split- and dividend-adjusted close. RSP above SPY means the equal-weighted basket is winning: the average member is beating the largest constituents, a sign of broad participation rather than mega-cap concentration.
- Data through
- 23 Jul 2026
- Last refreshed
- 24 Jul 2026
- Native frequency
- daily
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