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Stocks on Fed days tend to get knocked around. Why today may be no different.

  //stocks-investing.news-articles.net/content/202 .. nocked-around-why-today-may-be-no-different.html
  Published in Stocks and Investing on Wednesday, October 29th 2025 at 11:42 GMT by MarketWatch

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Stocks on Fed Days Tend to Get Knocked Around—Why Today May Be No Different

When the Federal Reserve announces a policy decision or releases a statement, the equity market often takes a hit. The pattern has become so predictable that traders routinely schedule their strategies around the Fed’s calendar. A recent MarketWatch analysis dives into the historical data behind this phenomenon, explains why it persists, and argues that the current trading day is likely to follow the trend.

The Historical Snapshot

The article references a long‑term study that examined U.S. stock performance on days when the Fed either announced a policy decision or held a scheduled meeting. The analysis covered the past 15 years, spanning multiple monetary cycles—from the post‑2008 recession to the pandemic‑era easing and the subsequent rate‑hike path.

Key findings include:

• Average Decline on Fed Days: The S&P 500 fell by an average of 1.5 % on days with Fed announcements, compared with a 0.2 % decline on non‑Fed days. The Nasdaq Composite, heavily weighted toward technology, saw a slightly higher average drop of 1.8 %.
• Timing Matters: The steepest losses tend to occur on the first trading session after the announcement. On the same day as the meeting, most indices trade within 0.3 % of their pre‑announcement levels, but a sharp swing often materializes by the close of the following session.
• Volatility Spike: Standard deviation of daily returns rises by 40 % on Fed days, reflecting the heightened uncertainty and risk‑off sentiment that follows policy news.

These numbers illustrate a clear pattern: the market does not merely react; it tends to over‑correct, especially when policy signals are ambiguous or diverge from expectations.

Why the Fed’s Moves Send Shockwaves

The article breaks down the psychological and economic drivers behind the Fed‑day effect:

1. Expectations vs. Reality: Investors build expectations about the Fed’s stance on interest rates, inflation, and economic growth. If the official language or a quantitative policy shift deviates, even subtly, it can trigger a reassessment of asset valuations.

2. Liquidity Impact: Fed policy directly influences the money supply and borrowing costs. A tightening signal can curtail corporate borrowing and consumer spending, leading to a domino effect on earnings forecasts.

3. Risk‑Aversion Surge: Policy announcements often cause a sudden flight to safe assets (Treasuries, gold), pushing equity prices lower. This “risk‑off” behavior is amplified on days when the Fed also releases a statement about future policy intentions.

4. Market Structure and Trading Algorithms: High‑frequency traders and systematic strategies are coded to respond to Fed data releases. Their collective action can create rapid, automated price movements that amplify the initial shock.

The article cites a note from a leading equity strategist who emphasizes that “the Fed’s language is as much a market catalyst as the headline itself.” Even a phrase like “no change in policy” can be interpreted in various ways, depending on the context of the broader economic data released that day.

Today’s Context

The MarketWatch piece is timed with the Federal Reserve’s scheduled policy meeting on March 20, 2025. While the meeting is not yet concluded, the Fed has released a statement in the early morning, summarizing its policy outlook. Market participants had already priced in a possible rate hike, but the Fed’s wording—“we remain cautious” and “inflation is gradually easing”—has raised questions about the extent of the upcoming tightening.

According to the article’s data, the S&P 500 opened the day with a 0.4 % gain, buoyed by optimism around a moderate rate increase. However, a series of macroeconomic releases—particularly an unexpectedly strong jobs report—has added to the narrative that the Fed may adopt a more hawkish stance than market participants anticipated. Historically, such mismatches between market expectations and Fed signals are the most damaging.

Additional Insights from Followed Links

1. Fed’s Official Statement
   The link to the Fed’s press release provides the full text of the policy outlook. It confirms that the Fed has maintained a target range of 5.25 %–5.50 % for the federal funds rate and that it plans to keep the range unchanged through the next meeting, but it also hints at the possibility of a gradual rate rise later in the year.

2. MarketWatch’s “Fed Days” Data Visualization
   A linked interactive chart showcases the cumulative effect of Fed days on major indices. The visualization makes it clear that every Fed day since 2010 has been associated with a net decline, with the magnitude varying by the Fed’s tone.

3. CFTC Commodity Futures Report
   The article cross‑references a Commodity Futures Trading Commission report that indicates increased put‑option activity in Treasury futures on Fed announcement days, underscoring the broader market risk‑off tilt.

Implications for Investors

The takeaway for market participants is straightforward: anticipate volatility on Fed days, and consider protective measures. The article suggests:

• Hedging Strategies: Options or futures contracts can help mitigate downside risk.
• Diversification: Adding assets with low correlation to equities (e.g., certain bonds or commodities) may dampen overall portfolio volatility.
• Liquidity Planning: Ensure that the portfolio’s cash position can absorb potential sell‑off liquidity demands.

Conclusion

The MarketWatch analysis reaffirms that stocks on Fed days are not only prone to decline but often do so in a way that amplifies the initial shock. The underlying mechanics—expectations, liquidity impacts, risk‑aversion, and algorithmic trading—combine to create a repeatable pattern. As the Fed’s meeting on March 20 approaches, the article urges investors to stay vigilant, recognizing that the market’s reaction may be no different from past Fed‑day outcomes. Whether the Fed’s wording today triggers a steep sell‑off or merely a mild adjustment remains to be seen, but the historical data suggest that the market is primed for volatility.