SPX Market Breadth — MBAD

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 of2026-05-20 Resolved503 / 504 SPX +1.07%
Stocks Up:349
Stocks Down:152
SPX Daily: +1.07%
Avg Daily:+1.12%
Avg Gain:+2.19%
Avg Decline:-1.34%
Avg Decline -1.34%Avg Daily +1.12%Avg Gain +2.19% -10%-5%+0%+5%+10% NVDA+1.30%AAPL+1.10%MSFT+0.87%AMZN+2.19%GOOGL+0.32%GOOG+0.00%AVGO+1.63%TSLA+3.25%META+0.41%WMT-2.50%LLY-0.25%JPM+2.12%MU+4.76%AMD+8.10%XOM-3.86%DAL+9.39%CCL+8.96%UAL+9.99%NRG+8.30%SMCI+9.49%HAS-8.83%NCLH+8.38% 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+1.30%6.11%8.17%
AMZN+2.19%5.38%4.27%
AMD+8.10%4.83%1.03%
TSLA+3.25%4.36%2.32%
AAPL+1.10%4.25%6.72%
INTC+7.36%3.62%0.85%
MU+4.76%3.31%1.21%
AVGO+1.63%2.80%2.98%
MSFT+0.87%2.39%4.74%
LRCX+6.84%2.07%0.52%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
WMT-2.50%2.36%1.64%
XOM-3.86%2.29%1.03%
CVX-3.00%1.04%0.60%
COST-1.86%0.80%0.74%
ADI-3.92%0.70%0.31%
UNH-1.53%0.48%0.54%
NFLX-1.39%0.46%0.58%
PM-1.53%0.40%0.46%
CME-4.05%0.39%0.17%
INTU-3.95%0.39%0.17%
Generated by scripts.generate_breadth_html from dashboard/breadth_feed.json. Constituents from spx_constituents.yaml. Re-run run_breadth.command for a fresh pull.