Advance or Retreat: The Dilemma of Signals Facing Investors on Wall Street

Wall Street is approaching a technical dichotomy where historical precedents and the current situation yield conflicting readings. On one hand, a trend lasting over a hundred years anticipates the beginning of a markedly bullish phase for equities. On the other hand, Bank of America warns of a level of enthusiasm in the market that often acts as a classic sell signal.{#p-1786630909705-6557}

The investor's dilemma: buy based on history or shelter from euphoria? Both signals have arguments behind them, but also important nuances.{#p-1786631161382-94365}

The detail of a 106-year cycle {#p-1786631279842-36522}

Jay Kaeppel, a technical strategist at SentimenTrader, who studied the behavior of the US stock market over the last 106 years and identified a peculiar seven-year cycle.{#p-1786631324934-39553}

Jay Kaeppel studied the behavior of the US stock market over the last 106 years and identified a peculiar seven-year cycle.{#p-1786633862556-72568}
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According to the analyst, each cycle can be divided into two periods of three and a half years, which in turn contain phases of 18 months classified as "favorable" and "unfavorable." The next favorable window will begin on October 30.{#p-1786631324934-28635}

And the statistics are striking. Of the 30 favorable periods analyzed, Wall Street ended up rising in 27, 90% of the time. The average return reached 26.8%, while the median was even higher, at 29.1%.{#p-1786631324934-4645}

Additionally, 19 of those periods ended with gains equal to or greater than 20%, while only three concluded in negative territory. "More than 100 years of history suggest that the odds of a bull market will improve after October 30 of this year," Kaeppel indicates.{#p-1786631451032-85370}

Advance or Retreat: The Dilemma of Signals Facing Investors on Wall Street.{#p-1786633642165-36486}
Image: Freepik

The distance from unfavorable stages is notable. Although in those stages equities rose in 69% of cases with an average return of 4.9%, the risk was much higher: the worst crash approached 69.5%, compared to the maximum drop of 26% recorded in the phases of greatest optimism.{#p-1786631516324-26454}

The calendar has its errors {#p-1786631524731-29559}

Turning those statistics into a prediction would be going too far. Kaeppel himself points out that he has had difficulties finding an explanation for why this seven-year cycle has historically worked so well.{#p-1786631542923-25929}

In any case, the recent situation has revealed the limits of the theoretical model. Although the ongoing "unfavorable" phase began on February 13, 2025, the S&P 500 defied forecasts by surging more than 26% during that period, according to FactSet data released by MarketWatch.{#p-1786631798108-57517}

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Consequently, this statistical pattern is shaping up to be a historical reference rather than an exact guide. As emphasized in the report itself, the previous trajectory of the markets is far from a guarantee or an infallible prediction about the future.{#p-1786631895041-82216}

Bank of America Signals Contrarian View {#p-1786632011039-94207}

While the statistics favor the bullish bias, a key counterweight emerges: according to Bank of America, market enthusiasm has reached highs not seen in nearly five years. For the bank, this overconfidence constitutes a classic contrarian indicator suggesting caution.{#p-1786632655501-36089}

Its internal indicator Bull & Bear has climbed to 9.7 points, up from 9.4, its highest reading since 2021. The advance is driven by strong inflows into high-yield bonds, the narrowing of global high yield spreads and Tier 1 bonds, and an increased breadth of global stock market gains.{#p-1786632654055-49713}

Bank of America warns of market euphoria, reaching five-year highs in its Bull & Bear index.{#p-1786633825295-90354}
Image: Bloomberg

It all comes down to the reading of the market thermometer: for Bank of America, surpassing 8 points is a sell signal, while falling below 2 triggers buying.{#p-1786632722220-15859}

In the face of a financial context that is becoming more restrictive due to rising bond yields, the bank suggests distancing from risky equities and shifting to defensive positions (consumer staples, REITs, small caps, biotechnology, and the dollar), leaving the banking, industrial, and semiconductor sectors exposed.{#p-1786632782277-37293}

Which signal should be prioritized? {#p-1786632798789-95116}

The contradiction is evident: the historical pattern encourages risk just when excessive optimism advises retreat. One metric is backed by 106 years of history; the other reflects how much the market has already bought into the narrative that gains will continue.{#p-1786632826833-34584}

Moreover, the very behavior of the past year demonstrates how dangerous it is to treat any of these indicators as an automatic rule. The phase that was supposed to be "unfavorable" provided a rise of over 26%, while the current AI-driven bull market is already approaching its fourth anniversary.{#p-1786632901584-79083}

Wall Street faces the dilemma of following historical trends or taking precautions against current optimism.{#p-1786633795916-69538}
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Although the bullish phase predicted by the Kaeppel model begins on October 30, providing strong statistical support to buyers, the outlook is not without risks. The euphoria accumulated in the City has reached a critical threshold that Bank of America already interprets as a clear sell signal.