Unexpectedly Intriguing!
19 August 2024
An editorial cartoon of a Wall Street bull dancing to celebrate the best week for the S&P 500 in 2024. Image generated with Microsoft Copilot Designer.

There's one thing we know for sure about stock price volatility. Big moves, whether up or down, tend to be clustered together.

During the last several weeks, a new cluster of volatility formed in the U.S. stock market. The S&P 500 (Index: SPX) experienced a large downward move after being triggered by a noise event that arose in Japan's stock market. That event was followed by a week of recovery, which in turn, has been followed in the past week by large upward moves in the level of the S&P 500.

By the closing bell on the trading week ending on Friday, 16 August 2024, the index rose to 5,554.25, more than 210 points and 3.93% higher than where it closed in the previous week. The upward moves coincided with the arrival of new information suggesting the perceived risk of recession in the U.S. economy is much lower than other data signaled just a few weeks earlier.

The result was several unusually large upward moves in the level of the S&P 500, which are captured in the latest update to the dividend futures-based model's alternative futures chart.

Alternative Futures - S&P 500 - 2024Q3 - Standard Model (m=+1.5 from 9 March 2023) - Snapshot on 16 Aug 2024

Assuming investors are still focusing on the distant future quarter of 2025-Q2 as they have in the last several weeks, these upward movements have put the trajectory into the upper part of the redzone forecast range we've added to the alternative futures chart. This forecast range runs through 1 November 2024 and is based on the assumption that investors will shift their forward looking attention toward the nearer term future of 2024-Q1 as we get closer to the end of 2024.

We've added this new forecast range because we've entered a period where we know in advance the dividend futures-based model's projections will be affected by the echoes of the past volatility of stock prices for a prolonged period. This situation arises a result of the model's use of historic stock prices as the base reference points from which it projects their future. When that historic data captures previous volatility in stock prices, it skews the model's projected future for stock prices. We compensate for this echo effect by bridging across the period in which we know the past volatility of stock prices will affect the model's raw projections, which we show on the chart using a red-shaded forecast range.

But enough about dry technical details. Here's our summary of the past week's market-moving headlines, which we present to document the random onset of new information that investors absorbed as they went about setting the level of stock prices during the week that was.

Monday, 12 August 2024
Tuesday, 13 August 2024
Wednesday, 14 August 2024
Thursday, 15 August 2024
Friday, 16 August 2024

The CME Group's FedWatch Tool continues to anticipate the Fed will hold the Federal Funds Rate steady in a target range of 5.25-5.50% until 18 September (2024-Q3). On that date, the Fed is expected to start a series of 0.25% rate cuts that will occur at six-week intervals well into 2025.

The Atlanta Fed's GDPNow tool's projection of the real GDP growth rate for the current quarter of 2024-Q3 dropped to +2.0% from its forecast of +2.9% growth a week earlier.

Image credit: Microsoft Copilot Designer. Prompt: "An editorial cartoon of a Wall Street bull dancing to celebrate the best week for the S&P 500 in 2024".

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