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Grayscale finds a handful of trading days drove most of bitcoin's 225% three-year gain

Reported by Cryptonews
Oct 7, 2026· 2 min read
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Key Takeaways
  • • Fewer than 0.5% of trading days accounted for more than half of bitcoin's 225% three-year gain, according to Grayscale.
  • • Excluding bitcoin's five best trading days cuts its three-year return from 225% to 95%; removing the 10 best leaves a cumulative gain of 27%.
  • • Without its 15 best trading days, bitcoin's three-year return turns negative, at an 11% loss.
  • • Grayscale compared bitcoin's 225% three-year return with the Nasdaq's 109% over the same period, underscoring the asset's outperformance and its dependence on a small number of sessions.
  • • The findings highlight the opportunity cost of missing a handful of sharp up-days, a central consideration for investors weighing timing and allocation decisions.
Summary
Digital asset manager Grayscale has found that a small number of trading sessions accounted for the bulk of bitcoin's performance over the past three years. According to the firm's analysis, fewer than 0.5% of trading days generated more than half of bitcoin's cumulative 225% gain over the period. The concentration of returns is stark: bitcoin's three-year return was 225%, compared with 109% for the Nasdaq over the same window, but that outperformance depends heavily on a few sessions.

Grayscale's sensitivity analysis shows how quickly the result erodes when the strongest days are removed. Excluding bitcoin's five best trading days reduces its three-year return to 95%. Removing its 10 best sessions leaves a cumulative gain of 27%. Without its 15 best trading days, bitcoin's three-year return flips to an 11% loss, according to the analysis as reported by Cryptonews.net and related coverage.

The findings point to what Grayscale characterizes as an "out-of-market" opportunity cost: investors who are absent during a limited number of high-impact sessions can forgo most of the asset's long-term gains. Because those days are difficult to predict in advance, the analysis underscores the challenge of market timing for bitcoin exposure and the case for maintaining consistent allocations over the holding period.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cryptonews Grayscale finds a handful of trading days drove most of bitcoin's 225% three-year gain