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 of2026-08-31 Resolved503 / 504 SPX -0.34%
Stocks Up:136
Stocks Down:362
SPX Daily: -0.34%
Avg Daily:-0.64%
Avg Gain:+1.29%
Avg Decline:-1.38%
Avg Decline -1.38%Avg Daily -0.64%Avg Gain +1.29% -20%-10%+0%+10%+20% NVDA+1.36%AAPL-0.89%MSFT-1.22%AMZN-2.50%GOOGL-2.09%GOOG-2.18%AVGO+0.42%TSLA+5.51%META-0.98%LLY-1.52%MU+2.77%JPM-0.45%WMT+1.73%AMD+1.10%BRK.B-0.19%HWM-7.51%AON-9.53%CRWD+5.77%AXON-5.69%PCG-20.06%TTWO-6.67%EIX-23.07% Unweighted distribution (down / up) Weighted (cap-weighted) Daily return (%)

SPX Constituents Relative Impact By Market Cap

Largest Positive Impact
Top ContributorDaily %Impact Share% Weight
TSLA+5.51%8.10%2.01%
NVDA+1.36%7.62%7.68%
MU+2.77%3.12%1.54%
XOM+2.71%1.86%0.94%
WMT+1.73%1.51%1.20%
SNDK+5.50%1.28%0.32%
PANW+2.84%0.92%0.44%
CVX+2.12%0.90%0.58%
AMD+1.10%0.90%1.11%
AVGO+0.42%0.79%2.56%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
AMZN-2.50%7.67%4.19%
MSFT-1.22%4.95%5.56%
GOOGL-2.09%4.54%2.97%
AAPL-0.89%4.44%6.81%
GOOG-2.18%4.41%2.76%
LLY-1.52%1.80%1.61%
META-0.98%1.34%1.86%
PCG-20.06%0.95%0.06%
HWM-7.51%0.85%0.15%
AON-9.53%0.77%0.11%
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.