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 of2026-08-28 Resolved503 / 504 SPX -0.22%
Stocks Up:229
Stocks Down:273
SPX Daily: -0.22%
Avg Daily:-0.34%
Avg Gain:+1.15%
Avg Decline:-1.59%
Avg Decline -1.59%Avg Daily -0.34%Avg Gain +1.15% -10%-5%+0%+5%+10% NVDA-4.57%AAPL+1.63%MSFT+1.68%AMZN+3.97%GOOGL+1.74%GOOG+1.53%AVGO-0.74%TSLA-1.71%META+1.21%LLY-0.13%MU-0.27%JPM+0.96%WMT+0.45%AMD-2.33%BRK.B+0.26%MRVL-10.28%LITE-6.39%FIX-5.96%PYPL-12.71%PCG-7.52%COIN-6.33%WDAY+5.76%GNRC-6.84% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
AMZN+3.97%9.04%4.02%
AAPL+1.63%6.15%6.68%
MSFT+1.68%5.17%5.46%
GOOGL+1.74%2.87%2.91%
GOOG+1.53%2.35%2.72%
META+1.21%1.26%1.83%
JPM+0.96%0.74%1.37%
BAC+1.88%0.66%0.62%
NFLX+2.35%0.65%0.49%
NOW+4.54%0.53%0.21%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
NVDA-4.57%20.79%8.03%
TSLA-1.71%1.97%2.04%
MRVL-10.28%1.79%0.31%
LRCX-5.24%1.72%0.58%
AMD-2.33%1.49%1.13%
AMAT-4.29%1.35%0.56%
INTC-2.85%1.09%0.68%
AVGO-0.74%1.08%2.57%
GEV-4.39%0.92%0.37%
KLAC-4.48%0.89%0.35%
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.