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 of2026-08-21 Resolved503 / 504 SPX +0.48%
Stocks Up:332
Stocks Down:169
SPX Daily: +0.48%
Avg Daily:+0.59%
Avg Gain:+1.45%
Avg Decline:-1.10%
Avg Decline -1.10%Avg Daily +0.59%Avg Gain +1.45% -10%-5%+0%+5%+10% NVDA-0.97%AAPL-0.63%MSFT+0.43%AMZN-0.57%GOOGL+1.22%GOOG+1.05%AVGO+1.21%TSLA+5.14%META+0.75%LLY+0.88%MU-0.77%JPM+0.01%WMT-0.13%AMD+0.81%BRK.B-0.21%MRVL-5.57%FCX+7.64%HCA+5.64%HOOD+13.70%MRNA+8.81%COIN+8.20%EL+6.02%ALB+6.75% 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+5.14%8.70%2.01%
GOOGL+1.22%3.03%2.94%
AVGO+1.21%2.61%2.55%
GOOG+1.05%2.44%2.75%
MSFT+0.43%1.93%5.26%
PLTR+3.44%1.71%0.59%
ORCL+3.10%1.58%0.60%
GS+3.73%1.35%0.43%
MS+3.25%1.32%0.48%
LLY+0.88%1.29%1.72%
Largest Negative Impact
Top DetractorDaily %Impact Share% Weight
NVDA-0.97%6.32%7.72%
AAPL-0.63%3.54%6.68%
AMZN-0.57%1.98%4.13%
MRVL-5.57%1.52%0.32%
INTC-2.24%1.29%0.68%
MU-0.77%1.06%1.62%
PM-1.72%0.64%0.44%
XOM-0.63%0.53%1.01%
PWR-3.49%0.43%0.15%
WDC-2.05%0.41%0.24%