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 of2026-07-21 Resolved503 / 504 SPX +0.86%
Stocks Up:229
Stocks Down:271
SPX Daily: +0.86%
Avg Daily:+0.24%
Avg Gain:+2.23%
Avg Decline:-1.43%
Avg Decline -1.43%Avg Daily +0.24%Avg Gain +2.23% -15%-10%-5%+0%+5%+10%+15% NVDA+1.97%AAPL+0.35%MSFT-1.13%AMZN-0.98%GOOGL-1.38%GOOG-1.47%AVGO+2.21%META-0.32%TSLA+2.53%LLY+2.46%MU+12.17%JPM+1.88%WMT-1.61%AMD+8.11%BRK.B-0.33%SNDK+14.27%STX+11.14%WDC+12.51%DHR-10.99%COHR+11.15%TER+12.07%MSCI-10.14% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
MU+12.17%9.08%1.48%
NVDA+1.97%7.40%7.46%
AMD+8.11%5.08%1.25%
INTC+8.64%3.22%0.74%
AVGO+2.21%3.03%2.73%
TSLA+2.53%2.68%2.11%
AMAT+7.39%2.35%0.63%
SNDK+14.27%2.24%0.31%
LLY+2.46%2.03%1.64%
WDC+12.51%1.60%0.25%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
MSFT-1.13%2.57%4.53%
GOOG-1.47%2.16%2.91%
GOOGL-1.38%2.15%3.11%
AMZN-0.98%2.00%4.08%
DHR-10.99%1.19%0.22%
WMT-1.61%1.10%1.35%
MA-1.67%0.61%0.73%
V-1.32%0.60%0.91%
PM-2.43%0.56%0.46%
PANW-1.87%0.40%0.43%
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.