Stock Market Flashes ‘Sell’ Signals: Key Metric Gains Importance

Recent fluctuations in the stock market have raised concerns among investors. The S&P 500 index (SPX) reacted strongly to the prospect of imposing 100% tariffs on China, leading to what some are calling a “tariff tantrum.” This reaction has notably impacted market dynamics.
Market Response to Tariff Threats
Following the announcement of potential tariffs, volatility in the market surged. Analysts have observed significant changes, indicating a more turbulent trading environment. Currently, strong support for the SPX is identified within the range of 6,500 to 6,550.
Key Support Levels
If the SPX breaches the 6,500 mark, a more bearish outlook could develop, leading to heightened market uncertainty.
McMillan Volatility Band Sell Signal
On October 10, the U.S. stock market experienced a sharp decline, resulting in the emergence of a new McMillan volatility band (MVB) sell signal. This signal is denoted by a green “S” on accompanying charts.
Increased Volatility Measurements
- The recent market drop has led to an increase in realized volatility.
- The MVB bands have expanded significantly.
- It is anticipated that the MVB signals will not approach either of their +/-4σ bands in the near future.
As investors assess these developments, ongoing vigilance is essential in navigating the current market landscape. Understanding these key metrics can help in making informed decisions as the situation evolves.