Personal professional trading notes
--- title: "Thinking in Beta × Time: A Market Participation System That Does Not Rely on Calling Tops and Bottoms" --- Thinking in Beta × Time: A Mark...
Complete guide to S&P 500 sector classifications, investment characteristics, and how to rotate your portfolio across economic cycles.
The market is filled with stories of quick riches, but these often represent "survivorship bias." Short-term Windfalls are Unsustainable: Some accounts might achieve short-term returns of 50% or even higher under special market conditions (e.g., during a sharp market rebound), but this is not replicable consistently over the long term. Realistic Expectations: For long-term investors, achieving an annualized return of 15% - 20% is already considered an excellent performance level.
A Systematic Analysis from Physical Laws to Digital Assets
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