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Backtest: buying last year's top stock

A 15-year backtest buying each year's top-performing stock turned $100 into $176,114 vs $800 for the S&P 500.

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Key points

  • @gurgavin backtested buying the previous year's best-performing stock every year for 15 years, starting with $100 in 2012.
  • The backtest result: S&P 500 → $800, last year's winner → $176,114.
  • The strategy beat the S&P 500 in 11 of the last 15 years, with $AMD +148% in 2019, $NVDA +171% in 2024, $PLTR +135% in 2025 and $SNDK +566% this year.
  • One reply asked whether the mechanics mean buying NVDA at the end of 2016, selling at the end of 2017, and then buying NRG Energy with the proceeds.

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Original post

GURGAVIN @gurgavin 466.7K followers

1/ I WONDERED WHAT HAPPENS IF YOU JUST BUY THE BEST PERFORMING STOCK FROM THE YEAR BEFORE AND DO IT EVERY SINGLE YEAR SO I BACKTESTED IT GOING BACK 15 YEARS STARTING WITH $100 IN 2012: END RESULTS S&P 500 → $800 LAST YEAR'S WINNER → $176,114 https://t.co/5NF3Y0CfTM
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From @gurgavin, @buccopap, @SmokeAwayyy and others. Spam removed, with English and Chinese translations.

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