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 of2026-09-21 Coverage503 of 504 constituents SPX +1.49%
Stocks Up:291
Stocks Down:210
SPX Daily: +1.49%
Avg Daily:+0.54%
Avg Gain:+1.77%
Avg Decline:-1.15%
Avg Decline -1.15%Avg Daily +0.54%Avg Gain +1.77% -10%-5%+0%+5%+10% NVDA+2.30%AAPL+0.85%MSFT+1.59%AMZN+1.87%GOOGL+1.55%GOOG+1.88%AVGO+1.41%META+11.34%TSLA+3.00%MU+2.73%LLY+1.04%JPM+0.68%AMD+9.95%WMT+0.67%BRK.B-1.52%INTC+12.17%QCOM+9.29%WBD+10.79%MRNA+12.27%P+9.14%AKAM+12.33% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
META+11.34%12.12%2.15%
NVDA+2.30%8.97%7.85%
AMD+9.95%6.62%1.34%
INTC+12.17%4.85%0.80%
MSFT+1.59%4.23%5.38%
AMZN+1.87%3.72%4.01%
TSLA+3.00%3.15%2.11%
AAPL+0.85%3.03%7.19%
GOOG+1.88%2.60%2.79%
GOOGL+1.55%2.32%3.01%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
XOM-3.20%1.57%0.99%
CVX-2.79%0.84%0.61%
BRK.B-1.52%0.80%1.05%
MPC-5.30%0.48%0.18%
UNP-3.49%0.42%0.24%
VLO-4.84%0.42%0.17%
COP-3.26%0.38%0.23%
KO-1.28%0.35%0.56%
PSX-4.17%0.33%0.16%
SNDK-1.41%0.27%0.38%