Daily Report – 2026-09-15


S&P 500 Report

Top 10 Contributors


S&P 500: 7585.73 | πŸ“‰ Down (-0.47%)

Market Structure Score


63/100

Neutral Structure
Market internals are generally balanced without a decisive directional signal.

πŸ” Regime shift: Neutral β†’ Weak / Risk-Off
Market Summary
Executive Summary

Selling pressure extended across a broad cross-section of the market, indicating widespread institutional distribution rather than isolated weakness. Internal confirmation remains limited, reducing confidence in the durability of the current market character.

Market Character

The internal backdrop remains balanced, with improving conditions offset by pockets of continued weakness. The Market Structure Score of 63/100 reflects low confidence in this assessment.

Participation

157 of 502 stocks advanced (β–²31.3%)
339 stocks declined (β–Ό67.5%)
6 stocks unchanged
Participation quality weakened.
Cap-weighted participation lagged.

Overall, participation was mixed, reinforcing the weakness in today’s price action.

Leadership

Leadership continued to rotate across sectors, indicating capital was being reallocated rather than concentrated in a single leadership group. However, weakening participation reduces confidence that the rotation represents a durable bullish signal.

Risk Assessment

Rapid leadership rotation suggests institutional conviction remains fluid. Participation has weakened across the broader market. Trading conviction remains below recent norms. Decliners continue to outnumber advancers. Should these conditions deteriorate further, confidence in the current market assessment would likely weaken.

Outlook

Meaningful improvement in participation and internal confirmation will be needed before confidence can recover. Failure to improve would leave the market vulnerable to additional weakness.

Bottom Line

The weight of the internal evidence continues to support a broad distribution 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

▶ ⚠️ Weak participation β€” selling pressure dominated the session.

▶ πŸ“‰ Cap-weighted participation remained weak.

▶ βœ… Leadership was broadly distributed across the market.

▶ πŸ”„ Leadership rotation accelerated.

▶ πŸ“‰ Participation deteriorated noticeably from the previous session.

Top Contributors (>0.01%)

Ticker Return Contribution Share Impact_Efficiency Rank
NVDA 0.57% 0.05% 4.15% 0.081569 1
AMD 2.19% 0.03% 2.54% 0.013094 2
XOM 2.57% 0.03% 2.22% 0.009757 3
QCOM 4.25% 0.02% 1.50% 0.003974 4
META 0.70% 0.01% 1.30% 0.021070 5
CVX 2.64% 0.01% 1.27% 0.005421 6
TMO 4.53% 0.01% 1.12% 0.002781 7

Definitions:

Contribution – The weighted impact of a stock’s return on the overall index move
(weight Γ— 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).


Scroll to Top