S&P 500 market breadth collapsed from ~70% to ~35% of stocks above their 50-day moving average in a single month.
The case
S&P 500 breadth collapsed from 70% of stocks above their 50-day moving average to near 35% in one month, while the index held up due to a few mega-cap and semiconductor names.
“A month ago, we were at 70% of S&P 500 stocks bull trending above their 50day moving average. Since then, over the last month, we've seen breath collapse to near 35%.”Matt Barrie · 10 Sep 2026
S&P 500 market breadth has collapsed from 70% of stocks above their 50-day moving average to near 35% in the past month, a roughly 50% drop in trending stocks.
“Since then, over the last month, we've seen breath collapse to near 35%.”Erik Townsend · 10 Sep 2026
Citation Bureau · compiled from attributed public discussion. Last updated 2026-09-10.