A key warning sign of a market top is low correlation, where different indices (e.g., NASDAQ, S&P 500, Russell 2000) peak at separate times. This indicates that capital is rotating from exhausted leaders to laggards in a final, desperate search for returns. When this rotation ends, the next likely move is a broad, correlated decline.

With the S&P 500's Price-to-Earnings ratio near 28 (almost double the historic average) and the Shiller P/E near 40, the stock market is priced for perfection. These high valuation levels have historically only been seen right before major market corrections, suggesting a very thin safety net for investors.

Calling a market top is a technical exercise, as fundamentals lag significantly. A reliable sell signal emerges when the market's leadership narrows to a few "generals." When a critical number of these leaders (e.g., three of the top seven) fall below their 200-day moving average, the rally is likely over.

Widespread public debate about whether a market is in a bubble is evidence that it is not. A true financial bubble requires capitulation, where nearly everyone believes the high valuations are justified and the skepticism disappears. As long as there are many vocal doubters, the market has not reached the euphoric peak that precedes a crash.

A market enters a bubble when its price, in real terms, exceeds its long-term trend by two standard deviations. Historically, this signals a period of further gains, but these "in-bubble" profits are almost always given back in the subsequent crash, making it a predictable trap.

A market where the average stock's volatility is much higher than the overall index's volatility indicates speculative, late-cycle behavior. This divergence, often driven by retail options trading, suggests market froth and parallels previous peaks like 1999.

Historically, a surge in microcap stocks, particularly unprofitable ones, indicates high risk appetite and market froth. This "risk-on" behavior, where the IWC outperforms the S&P, often precedes a market downturn as speculative excess peaks.

Weakness in speculative, low-quality stocks and assets like Bitcoin often marks the beginning of a market correction. The final phase, however, is typically characterized by the decline of high-quality market leaders (the “generals”). This sequential weakness is a historical indicator that the correction is closer to its end than its beginning.

Contrary to intuition, widespread fear and discussion of a market bubble often precede a final, insane surge upward. The real crash tends to happen later, when the consensus shifts to believing in a 'new economic model.' This highlights a key psychological dynamic of market cycles where peak anxiety doesn't signal an immediate top.