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 of2026-09-01 Resolved503 / 504 SPX -0.72%
Stocks Up:158
Stocks Down:342
SPX Daily: -0.72%
Avg Daily:-0.83%
Avg Gain:+1.30%
Avg Decline:-1.82%
Avg Decline -1.82%Avg Daily -0.83%Avg Gain +1.30% -10%-5%+0%+5%+10% NVDA-1.51%AAPL+2.61%MSFT-1.24%AMZN-1.87%GOOGL-1.28%GOOG-1.01%AVGO-0.18%TSLA-3.22%META+1.08%LLY+0.28%MU-2.64%JPM-0.30%WMT+1.00%AMD-2.36%BRK.B-0.34%DELL-6.80%CDNS-7.60%CRWD-6.90%MRNA+9.93%AXON-8.52%IBKR-7.09%ODFL-6.48%EIX+8.93% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
AAPL+2.61%10.58%6.77%
XOM+2.24%1.30%0.97%
META+1.08%1.20%1.85%
JNJ+2.01%1.13%0.94%
CVX+2.38%0.85%0.60%
WMT+1.00%0.73%1.22%
ABBV+1.39%0.55%0.66%
UNH+1.77%0.54%0.51%
DE+3.23%0.50%0.26%
APH+2.92%0.50%0.29%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
NVDA-1.51%7.07%7.82%
AMZN-1.87%4.58%4.10%
TSLA-3.22%4.10%2.13%
MSFT-1.24%4.08%5.51%
MU-2.64%2.51%1.58%
GOOGL-1.28%2.22%2.91%
ORCL-5.23%1.97%0.63%
GOOG-1.01%1.64%2.71%
AMD-2.36%1.59%1.12%
PANW-5.24%1.43%0.46%
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.