Top 10 Contributors
S&P 500: 7561.67 | 📉 Down (-0.57%)
Market Structure Score
37/100
Weak Structure
🔁 Regime shift: Weak / Risk-Off → Neutral
Constituent breadth exceeded capitalization-weighted participation, indicating that advances were more widespread by stock count than their contribution to the index would suggest. Internal confirmation remains limited, reducing confidence in the durability of the current market character.
Underlying market conditions have weakened sufficiently to raise questions about the durability of the current trend. The Market Structure Score of 37/100 reflects low confidence in this assessment.
⬥ 318 of 502 stocks advanced (▲63.3%)
⬥ 175 stocks declined (▼34.9%)
⬥ 9 stocks unchanged
⬥ Participation improved versus recent sessions.
⬥ Negative contributions accounted for more than half of total absolute index contributions.
Leadership continued to rotate across sectors, but weakening participation and internal confirmation suggest the rotation is becoming less supportive of the broader market trend.
Rapid leadership rotation suggests institutional conviction remains fluid. Breadth continues to lag headline index performance. The combined breadth and capitalization-weighted participation measure remains subdued, limiting the quality of index-level confirmation. Trading conviction remains below recent norms. Average losses among declining stocks exceeded average gains among advancing stocks. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.
The outlook remains cautious until participation broadens, leadership stabilizes, and internal confirmation begins to recover.
The weight of the internal evidence continues to support a narrow momentum leadership market environment with low confidence. While short-term price fluctuations are inevitable, sustained improvement in participation and leadership would reinforce the current assessment, whereas renewed deterioration in market internals would warrant a more defensive interpretation.
Market Signals
▶ 📉 Cap-weighted participation remained weak.
▶ ✅ Top-five contribution concentration remained relatively low.
▶ 🔄 Leadership rotation accelerated.
▶ 🚀 Participation expanded sharply from the previous session.
▶ ✅ Participation exceeded capitalization leadership.
▶ 📉 Declining stocks showed greater magnitude than advancing stocks.
Top Contributors (>0.01%)
| Ticker | Return | Contribution | Share | Impact_Efficiency | Rank |
|---|---|---|---|---|---|
| META | 2.90% | 0.06% | 4.24% | 0.021070 | 1 |
| AAPL | 0.39% | 0.03% | 1.91% | 0.070144 | 2 |
| LLY | 1.14% | 0.02% | 1.08% | 0.013687 | 3 |
| JPM | 0.98% | 0.01% | 0.88% | 0.012866 | 4 |
| WMT | 1.51% | 0.01% | 0.83% | 0.007925 | 5 |
| V | 1.30% | 0.01% | 0.74% | 0.008265 | 6 |
Definitions:
Contribution – The weighted impact of a stock’s return on the overall index move
(weight × return). This reflects how much each stock actually moved the index.
Share – The proportion of total index movement attributable to a given stock.
Higher values indicate outsized influence relative to peers.
Impact Efficiency – The ratio of contribution to return, highlighting how effectively
a stock’s price move translates into index impact (primarily driven by index weight).
