SPX Market Breadth

Distribution of constituent daily returns vs. their cap-weighted contribution to the index. Where the curves diverge, the index is being pushed by names that are out of sync with the broader market.

As of2026-10-01 Coverage503 of 505 constituents SPX +0.11%
Stocks Up:296
Stocks Down:205
SPX Daily: +0.11%
Avg Daily:+0.31%
Avg Gain:+1.61%
Avg Decline:-1.57%
Avg Decline -1.57%Avg Daily +0.31%Avg Gain +1.61% -80%-70%-60%-50%-40%-30%-20%-10%+0%+10%+20%+30%+40%+50%+60%+70%+80% NVDA+1.09%AAPL-0.81%MSFT-0.02%AMZN-0.37%GOOGL-1.70%GOOG-1.71%AVGO-2.15%META+0.10%TSLA-0.20%MU+3.03%LLY-0.62%AMD+0.65%JPM+0.71%WMT+0.33%BRK.B+0.51%ACN+15.78%LITE+7.67%SNPS+12.78%COHR+10.90%CTVA-83.81%CIEN+7.77%FICO+11.69%PSKY-9.58% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
NVDA+1.09%7.01%8.08%
MU+3.03%4.27%1.77%
ACN+15.78%2.26%0.18%
LRCX+3.46%1.67%0.60%
AMAT+3.48%1.66%0.60%
SNPS+12.78%1.25%0.12%
GEV+3.89%1.15%0.37%
MPC+6.25%0.85%0.17%
CAT+1.92%0.84%0.55%
KLAC+2.76%0.82%0.37%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
CTVA-83.81%5.09%0.08%
AAPL-0.81%4.62%7.13%
AVGO-2.15%4.22%2.46%
GOOGL-1.70%4.02%2.96%
GOOG-1.71%3.76%2.76%
JNJ-2.30%1.72%0.94%
AMZN-0.37%1.16%3.94%
TMO-3.34%0.98%0.37%
AMGN-3.38%0.90%0.33%
NFLX-2.49%0.85%0.43%