Bubble Zone Calculator · This week’s letter · Archive · Full case study
Bubble Stocks
A weekly read of the tape, and a calculator for any ticker. $19 a month. Identifying stocks that are hot — these are leads, not recommendations.
The technology tape
On the night of 24 May 2023, NVIDIA reported. The next session the stock jumped 24%. Twelve months later it was up 249%. The score that night was 0. A melt-up is not automatically a 70. If the shape is not there, we say nothing.
The same model printed 70 on 9 July 2024. Two weeks later NVIDIA was down 6.7%. Super Micro and Broadcom kept paying after a 70. Amazon, and NVIDIA’s July 2024 print, are the misses.
Across the S&P book, April 2022 to 9 September 2026, there were 577 new bubble flags. The excess versus the equal-weight book was about zero at 5, 20, and 60 sessions, and an avoid-bubble book matched the equal-weight CAGR at 14.9%.
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