Observed arrival · 2026-11-12
Tested Markets puts investing rules to the test
A research site compares popular investing rules with simply holding an index, using long-run data from multiple countries.
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- Investors evaluating popular market-timing rules
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- The latest buy-the-dip comparison tests eight alternatives across 22 markets from 1960 to 2026.
Field notes
The homepage reports that investing new money immediately earned more on average than each of eight alternatives in every period and index tested. Its separate seasonal test says the “Sell in May” pattern appears in most countries, but that sitting in cash over summer still earned less than buy-and-hold. The listed summaries include market counts and date ranges; the supplied homepage text does not specify the underlying data sources.
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