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 of2026-10-21 Coverage503 of 504 constituents SPX +0.57%
Stocks Up:281
Stocks Down:221
SPX Daily: +0.57%
Avg Daily:+0.33%
Avg Gain:+1.46%
Avg Decline:-1.11%
Avg Decline -1.11%Avg Daily +0.33%Avg Gain +1.46% -10%-5%+0%+5%+10% NVDA+2.50%AAPL+1.32%MSFT+0.20%AMZN-0.10%GOOGL-1.64%GOOG-1.63%AVGO+1.03%META+0.47%TSLA+3.41%LLY-1.01%MU+1.96%WMT-0.04%JPM-0.02%AMD+3.36%BRK.B-0.15%T-6.45%DDOG+6.50%BE+7.13%SKYD+10.85%DXCM-6.39%SMCI+9.55%CRL+9.33%ECHO+7.23% 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+2.50%14.08%7.59%
AAPL+1.32%7.08%7.21%
TSLA+3.41%5.45%2.15%
AMD+3.36%3.17%1.27%
PLTR+4.74%2.27%0.64%
MU+1.96%2.15%1.47%
AVGO+1.03%1.77%2.32%
CRWD+5.26%1.33%0.34%
MS+3.66%1.13%0.41%
GEV+4.00%1.02%0.34%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
GOOGL-1.64%3.55%2.90%
GOOG-1.63%3.28%2.70%
NFLX-5.31%1.66%0.42%
LLY-1.01%1.31%1.76%
T-6.45%1.12%0.23%
ABBV-1.48%0.82%0.74%
ORCL-1.53%0.66%0.58%
PG-1.56%0.62%0.54%
TMUS-2.54%0.46%0.25%
BKNG-3.38%0.45%0.18%